Levonorgestrel

Names & Synonyms

• Levonorgestrel
• norgestrel
• D-Norgestrel
• Mirena
• Levonova
• Microval
• Ovrette
• Postinor
• Jadelle
• Follistrel
• Microlut
• Neogest
• Plan B
• Levonorgestrelum
• (-)-Norgestrel
• dl-Norgestrel
• Microlution
• Levonelle
• NORPLANT
• Ovranette
• Triagynon
• Triciclor
• Microgyn
• Monovar
• Trivora
• Nordet
• Trigoa
• Norplant II
• NorLevo
• D-(-)-Norgestrel
• d(-)-Norgestrel
• Norgeston
• Norplant 2
• Liletta
• Microgynon CD
• Levlen
• Preven
• Microgest ED
• Ld norgestrel
• Logynon ED
• Ovral-Lo
• Fallback Solo
• 797-63-7
• L-Norgestrel
• Levlen ED
• Methylnorethindrone
• Norgestrelum
• Microluton
• Capronor
• Levosert
• Microgynon 21
• Microgynon 28
• Nordette
• Trinordiol 21
• Trinordiol 28
• Triquilar ED
• Ovral
• Skyla
• Minivlar 30
• Monofeme 28
• Neogynon 21
• Nordette 21
• Nordette 28
• Stediril 30
• 18-Methylnorethisterone
• Next choice
• alpha-Norgestrel
• Trifeme 28
• LO/Ovral
• Seasonique
• Tetragynon
• Microgynon 30 ED
• Seasonale
• Tri-Levlen
• Tri-Levlen 21
• Triphasil
• Triphasil 21
• Triphasil 28
• Kyleena
• Levogel
• Alesse
• Levora-21
• Levora-28
• Rigevidon 21+7
• l Norgestrel
• Norplant-2
• Postinor-2
• D Norgestrel
• dexnorgestrel
• duofem
• Norplant2
• Climara Pro
• Microgynon
• Optionelle
• Plan B One-Step
• Trinordiol
• Afterpill
• Ezinelle
• Isteranda
• Malloside
• Stediril
• Upostelle
• Cerazet
• Emerres
• Jaydess
• Logynon
• Aftera
• Vikela
• DNorgestrel
• Curae
• Julie
• Ovran
• React
• AfterPlan
• Levonorgestrel?
• SheWise
• Levonorgestrel implants
• Norplant System
• E-Gen-C
• Emerres una
• LD norgestrel [French]
• Athentia Next
• Morning After
• After Banger
• Mixture Name
• Stix Restart
• DL Norgestrel
• Empowered Choice
• Norgestrel RS
• Norgestrel-(-)-D
• Take Action
• Plan B One Step
• Norgestrel CRS
• Norplant (TN)
• Her Style
• Mirena;
• D -Norgestrel
• Norgestrel [Progestins]
• Norgestrel, (-)-
• 6533-00-2
• Levonelle-2
• Ovrette (TN)
• Opcicon One-step
• Levonorgestrel RS
• Norgestrelum [INN-Latin]
• Ovoplex 30-150
• 1lhv
• Mirena (TN)
• New Day
• EContra One-Step
• PostDay One-Step
• component of Ovral
• Levonelle one step
• Oral levonorgestrel
• Triphasil-21
• Levonorgestrel CRS
• My Choice TM
• My Way
• Option 2
• Levonorgestrelum [INN-Latin]
• (+)-Norgestrel
• component of Lo/ovral
• Econ Morning After
• Norgestrel (-)-form
• Prestwick_109
• 18-Methylnorethindrone
• Norgestrel (-)-
• (-)-Levonorgestrel
• LNG-IUS
• Wy-5104
• CRYSELLE
• LEVLITE
• (+)-D-Norgestrel
• 5W7SIA7YZW
• Levonorgestrel implant
• Skyla (TN)
• Next Choice One Dose
• Emergency Contraceptive
• UNII-5W7SIA7YZW
• Levonorgestrel 1.5 mg
• NORGESTREL [MI]
• Opera_ID_552
• RefChem:55482
• basic care levonorgestrel
• DTXSID3036496
• Fem Choice morning after
• 72-HOURS
• AC1Q6OEV
• Levonorgestrel(Levonelle)
• NORGESTREL [INN]
• NORGESTREL [JAN]
• TRIPHASIL-28
• Wy 3707
• Wy-3707
• Dexnorgestrel (obsol.);
• LOW-OGESTREL-21
• LOW-OGESTREL-28
• Prestwick0_000773
• Prestwick1_000773
• Prestwick2_000773
• Prestwick3_000773
• 17-Ethynyl-18-methyl-19-nortestosterone
• CCRIS 6525
• CCRIS 9033
• ENPRESSE-21
• ENPRESSE-28
• Levonorgestrel (Standard)
• NORDETTE-21
• NORDETTE-28
• NORGESTREL [HSDB]
• NORGESTREL [USAN]
• Intrauterine levonorgestrel
• LESSINA-21
• LESSINA-28
• Norplant System in Plastic Container
• TRIVORA-21
• TRIVORA-28
• DTXSID3047477
• Levonorgestrel (Levonelle)
• NORGESTREL [VANDF]
• AVIANE-21
• AVIANE-28
• D0A9MR
• D0BA9U
• D0G6CT
• PORTIA-21
• PORTIA-28
• (-)-Norgestrel, 98%
• FH 122-A
• HSDB 3595
• HSDB 6483
• Levonorgestrel [USAN:INN:BAN]
• LO/OVRAL-28
• MLS000069491
• NORGESTREL [MART.]
• OVRAL-28
• BAY86-5028
• CHEBI:6443
• WWYNJERNGUHSAO-XUDSTZEESA-N
• CHEMBL1389
• LEVONORGESTREL [INN]
• LEVONORGESTREL [JAN]
• NORGESTREL [USP-RS]
• NORGESTREL [WHO-DD]
• (+/-)-NORGESTREL
• 17alpha-Ethynyl-18-homo-19-nortestosterone
• BIDD:PXR0194
• Levonorgestrel (JAN/USP/INN)
• Norgestrel [USAN:BAN:INN:JAN]
• Norgestrel [USAN:INN:BAN:JAN]
• SCHEMBL27597
• SH 850
• BSPBio_000846
• DTXCID1016496
• LEVONORGESTREL [HSDB]
• LEVONORGESTREL [USAN]
• UNII-3J8Q1747Z2
• C21H28O2
• MLS000759484
• MLS001074069
• MLS001423967
• ITHAPPENZ MORNING AFTER
• LEVONORGESTREL [VANDF]
• NSC-744007
• EINECS 212-349-8
• EINECS 229-433-5
• SOH-075
• SPBio_002785
• 18-Methyl-17-alpha-ethynyl-19-nortestosterone
• LEVONORGESTREL [MART.]
• MFCD00199013
• AC1L211U
• BPBio1_000932
• GTPL2881
• Levonelle;D-Norgestrel;Levonova
• Norgestrel (JP15/USP/INN)
• Norgestrel (JP17/USP/INN)
• orb1305282
• orb1309186
• LEVONORGESTREL [USP-RS]
• LEVONORGESTREL [WHO-DD]
• LEVONORGESTREL [WHO-IP]
• Levonorgestrel Tablet, 1.5 mg
• NORGESTREL [ORANGE BOOK]
• SH 70850
• ERK5-1L06
• HY-B0257R
• Levonorgestrel [USAN:BAN:INN]
• OVRAL COMPONENT NORGESTREL
• Wy3707
• BRN 2391114
• FH-122A
• G03AC03
• G03AD01
• MSK8517
• NORGESTREL [EP MONOGRAPH]
• IMPLANT WITH LEVONORGESTREL
• Levonorgestrel [USAN:USP:INN:BAN]
• WWYNJERNGUHSAO-PYYZKRFANA-N
• AVIANE COMPONENT LEVONORGESTREL
• DTXCID401079284
• HMS1570K08
• HMS2051M08
• HMS2090O06
• HMS2097K08
• HMS2232H06
• HMS2232K12
• HMS3649J10
• HMS3714K08
• HMS3886K18
• LEVORA COMPONENT LEVONORGESTREL
• NORGESTREL [USP MONOGRAPH]
• PORTIA COMPONENT LEVONORGESTREL
• TWIRLA COMPONENT LEVONORGESTREL
• VIENVA COMPONENT LEVONORGESTREL
• 13-Ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one
• 17alpha-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one
• 3J8Q1747Z2
• KURVELO COMPONENT LEVONORGESTREL
• KYLEENA COMPONENT LEVONORGESTREL
• LESSINA COMPONENT LEVONORGESTREL
• MYZILRA COMPONENT LEVONORGESTREL
• TRIVORA COMPONENT LEVONORGESTREL
• 17alpha-Ethynyl-13-ethyl-19-nortestosterone
• 17alpha-Ethynyl-13beta-ethyl-3-oxo-4-estren-17beta-ol
• AMY40476
• CID13109
• CRYSELLE COMPONENT NORGESTREL
• D-(-)-Norgestrel b-D-Glucuronide
• HY-B0257
• NORGESTREL (-)-FORM [MI]
• Norgestrel [USAN:USP:INN:BAN:JAN]
• OGESTREL 0.5/50-21
• OGESTREL 0.5/50-28
• ZINC3814395
• 17-alpha-Ethynyl-13-ethyl-19-nortestosterone
• BAY 86-5028
• ELIFEMME COMPONENT LEVONORGESTREL
• ENPRESSE COMPONENT LEVONORGESTREL
• LEVONORGESTREL [ORANGE BOOK]
• MARLISSA COMPONENT LEVONORGESTREL
• NORDETTE COMPONENT LEVONORGESTREL
• ORSYTHIA COMPONENT LEVONORGESTREL
• SETLAKIN COMPONENT LEVONORGESTREL
• Tox21_111593
• Tox21_202872
• Tox21_303623
• Tox21_303658
• 13-Ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one
• AFIRMELLE COMPONENT LEVONORGESTREL
• BDBM50410522
• CID:13109
• EBC-11102
• LEVONORGESTREL [EP MONOGRAPH]
• LEVONORGESTREL [USP IMPURITY]
• LMST02030119
• MSK2222-100A
• MSK8517-100A
• NCGC00159349-02
• NP3306
• NSC744007
• QUARTETTE COMPONENT LEVONORGESTREL
• s1727
• s5709
• SH-850
• TRIPHASIL COMPONENT LEVONORGESTREL
• 13-Ethyl-17alpha-ethynylgon-4-en-17beta-ol-3-one
• 18,19-Dinor-4-pregnen-20-yn-3-one
• 19-Nortestosterone, 17-ethynyl-18-methyl-
• ALESSE COMPONENT LEVONORGESTREL
• D(-)-Norgestrel, analytical standard
• D-(-)-Norgestrel beta-D-Glucuronide
• LEVONORGESTREL [USP MONOGRAPH]
• LYBREL COMPONENT LEVONORGESTREL
• Norgestrel for system suitability CRS
• PREVEN COMPONENT LEVONORGESTREL
• SMR000059117
• AKOS015894913
• LEVLITE COMPONENT LEVONORGESTREL
• LEVORA 0.15/30-21
• LEVORA 0.15/30-28
• MSK2222-1000A
• MSK8517-1000A
• PLASTIC IUD WITH LEVONORGESTREL
• Tox21_111593_1
• ACN-037297
• ACN-037302
• AMAZON BASIC CARE LEVONORGESTREL
• BCP9000852
• C21-H28-O2
• CCG-100853
• CS-2243
• DB00367
• FN26454
• FN26455
• J7.097A
• Levonorgestrel for system suitability 1
• Levonorgestrel for system suitability 2
• LEVONORGESTRELUM [WHO-IP LATIN]
• NC00103
• NSC 744007
• NSC 757251
• NSC 759653
• NSC-757251
• ALTAVERA COMPONENT LEVONORGESTREL
• D-(-)-Norgestrel - Bio-X trade mark
• LEVONEST COMPONENT LEVONORGESTREL
• QUASENSE COMPONENT LEVONORGESTREL
• [18,(17.alpha.)-(-)-]
• INTROVALE COMPONENT LEVONORGESTREL
• NCGC00159349-03
• NCGC00159349-05
• NCGC00256735-01
• NCGC00257283-01
• NCGC00260418-01
• PREVEN EMERGENCY CONTRACEPTIVE KIT
• SEASONALE COMPONENT LEVONORGESTREL
• 13beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one
• 17-alpha-Ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one
• AJ-45701
• BN300105
• CAS-797-63-7
• dl-13-beta-Ethyl-17-alpha-ethynyl-19-nortestosterone
• LS-62083
• LS-62084
• SEASONIQUE COMPONENT LEVONORGESTREL
• SH-70850
• SID:53787534
• SID:53789027
• SMR000653526
• CAS-6533-00-2
• CLIMARA PRO COMPONENT LEVONORGESTREL
• Levonorgestrel; Norgestimate EP Impurity B
• 13-Ehyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one
• 13-Ethyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one
• AB0012485
• AB2000252
• Levonorgestrel for system suitability 1 CRS
• Levonorgestrel for system suitability 2 CRS
• LOSEASONIQUE COMPONENT LEVONORGESTREL
• OPCICON ONE-STEP COMPONENT LEVONORGESTREL
• (-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one
• B1960
• FT-0656076
• Levonorgestrel norgestrel D-Norgestrel Mirena
• N0889
• NORGESTIMATE IMPURITY B [EP IMPURITY]
• NS00002177
• NS00067059
• 13-beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one
• 17alpha-Ethynyl-18-homo-19-nor-testosterone
• LEADER Emergency Contraceptive Levonorgestrel
• Levonorgestrel 100 microg/mL in Acetonitrile
• C08149
• C08153
• D00950
• D00954
• EN300-122613
• Norgestrel Solution in Acetonitrile, 100ug/mL
• 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one
• Norgestrel Solution in Acetonitrile, 1000ug/mL
• (17R)-18-Methyl-17-ethynyl-19-nortestosterone
• 797L637
• A835065
• A839753
• D009644
• D016912
• F358122
• Levonelle, D-Norgestrel, Levonova, Levonorgestrel
• Q416950
• SR-01000759218
• SR-01000946725
• (-)-17alpha-Ethynyl-18-methyl-19-nortestosterone
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
• 17alpha-ethynyl-17beta-hydroxy-18a-homoestr-4-en-3-one
• 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(+-)-
• 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)-
• dl-13-beta-Ethyl-17-alpha-ethynyl-17-beta-hydroxygon-4-en-3-one
• SR-01000759218-5
• SR-01000946725-1
• 13-BETA-ETHYL-17-ALPHA-ETHYNYL-17-BETA-HYDROXYGON-4-EN-3-ONE
• 17-beta-Hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one
• BRD-K35189033-001-03-0
• BRD-K35189033-001-26-1
• D-(-)-Norgestrel Solution in Acetonitrile, 100ug/mL
• (+-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one
• 13-Ethyl-17alpha-ethynyl-17beta-hydroxy-4-gonen-3-one
• 13-ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one
• 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• D-(-)-Norgestrel Solution in Acetonitrile, 1000ug/mL
• Z1544404028
• (+-)-13-Ethyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one
• (+-)-17alpha-Ethynyl-13-ethyl-17-hydroxygon-4-en-3-one
• (+/-)-13-Ethyl-17a-ethynyl-17-hydroxygon-4-en-3-one
• 13beta-ethyl-17alpha-ethynyl-17-hydroxy-gon-4-en-3-one
• Levonorgestrel for System Suitability 1 CRS (Y0001431)
• Levonorgestrel for system suitability 2 CRS (Y0001618)
• Norgestrel Working Standard (Secondary Reference Standard)
• (+-)-17alpha-Ethynyl-13beta-ethylgon-4-en-17beta-ol-3-one
• (17?)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-yn-3-one
• 13beta-Ethyl-17alpha-ethynyl-17 beta-hydroxygon-4-en-3-one
• 13beta-ethyl-17alpha-ethynyl-17beta-hydroxy-gon-4-en-3-one
• 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
• dl-11beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one
• Levonorgestrel Working Standard (Secondary Reference Standard)
• Levonorgestrel, British Pharmacopoeia (BP) Reference Standard
• Levonorgestrel, European Pharmacopoeia (EP) Reference Standard
• (17R)-17-Hydroxy-18-methyl-19-norpregna-4-ene-20-yne-3-one
• 18,19-Dinor-13beta-ethyl-17 beta hydroxy-4-pregnen-20-yn-3-one
• 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+-)-
• Levonorgestrel, United States Pharmacopeia (USP) Reference Standard
• (-)-18,19-Dinor-13beta-ethyl-17beta-hydroxy-4-pregnen-20-yn-3-one
• (17a)-(+/-)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• (17R)-13beta-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• (1R,3aS,3bR,9aR,9bS,11aS)-11a-ethyl-1-ethynyl-1-hydroxy-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
• [(-)-13-ethyl-17-hydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one
• [17R,(+)]-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• 18,19-Dinor-17.alpha.-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
• NOG
• rel-(8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
• ( inverted exclamation markA)-13-Ethyl-17|A-ethynyl-17-hydroxygon-4-en-3-one
• (+/-)-13-ETHYL-17-HYDROXY-18,19-DINOR-17.ALPHA.-PREGN-4-EN-20-YN-3-ONE
• (-)-13-ETHYL-17-HYDROXY-18,19-DINOR-17.ALPHA.-PREGN-4-EN-20-YN-3-ONE
• (17-alpha)-(+-)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• (17alpha)-(+/-)-13-ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
• 17-Ethynyl-18-methyl-19-nortestosterone Glucuronide; Levonorgestrel Glucuronide;
• 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+)-
• 18,19-Dinor-17.Alfa.-pregn-4-en-20-yn-3-uno, 13-etil-17-hidroxi-, (+-)-(8CI)
• 18,19-Dinor-17.alpha.-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (.+.)-
• 18,19-Dinorpregn-4-en-20-in-3-ona, 13-etil-17-hidroxi-, (17alfa )-(+-)-
• 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17.alpha.)-
• 18,19-DINORPREGN-4-EN-20-YN-3-ONE, 13-ETHYL-17-HYDROXY-, (17.ALPHA.)-(+/-)-
• 18,19-DINORPREGN-4-EN-20-YN-3-ONE, 13-ETHYL-17-HYDROXY-, (17.ALPHA.)-(-)-
• 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17.alpha.)-(.+.)-
• 1819-Dinor-17alpha-pregn-4-en-20-yn-3-one 13-ethyl-17-hydroxy-(+-)-(8CI)
• Levonorgestrel for system suitability 2, European Pharmacopoeia (EP) Reference Standard
• Levonorgestrel, Pharmaceutical Secondary Standard; Certified Reference Material
• (1R,3aS,3bR,9aR,9bS,11aS)-11a-Ethyl-1-ethynyl-1-hydroxy-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
• (1S,2R,10R,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo(8.7.0.02,7.011,15)heptadec-6-en-5-one
• (1S,2R,10R,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy- 1,2,6,7,8,9,10,11,12,13,14,15,16, 17- tetradecahydrocyclopenta[a] phenanthren-3-one
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16, 17-tetradecahydrocyclopenta(a) phenanthren-3-one
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
• (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta(a)phenanthren-3-one
• 17489-40-6
• 212-349-8
• Levonorgestrel; (-)-Norgestrel; 18-Methylnorethindrone; 19-Nortestosterone, 17-ethynyl-18-methyl-; D-(-)-Norgestrel; D-Norgestrel; Dexnorgestrel; Femilis; Femilis Slim; Follistrel; Jadelle; Levonova; Lng-IUS; Microlut; Microluton; Microval; Mirena; Norgeston; Norgestrelem; Norlevo; Norplant; Norplant 2; Norplant II; Postinor 2; Wy 5104; (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one; 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one; 13-Ethyl-17-ethynyl-17beta-hydroxy-4-gonen-3-one; 13-Ethyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one; 13-Ethyl-17alpha-ethynylgon-4-en-17beta-ol-3-one; 13beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one; 17alpha-Ethynyl-13-ethyl-19-nortestosterone; 17alpha-Ethynyl-13beta-ethyl-3-oxo-4-estren-17beta-ol; 17alpha-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one; 17alpha-Ethynyl-18-homo-19-nortestosterone; 17alpha-Ethynyl-18-methyl
• LNG
• Norgestrel; DL-Norgestrel; FH 122A; Methylnorethindrone; Monovar; Neogest; Ovrette; Postinor; SH 70850; SH 850; Wy 3707; dl-Norgestrel; rac-13-ethyl-17-hydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one, 18,19-Dinor-17alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+/-)- (8CI); (+/-)-13-Ethyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one; (+/-)-17alpha-Ethynyl-13-ethyl-17-hydroxygon-4-en-3-one; (+/-)-17alpha-Ethynyl-13beta-ethylgon-4-en-17beta-ol-3-one; (+/-)-Norgestrel; 13-Ethyl-17alpha-ethynyl-17beta-hydroxy-4-gonen-3-one; dl-11beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one; dl-13-beta-Ethyl-17-alpha-ethynyl-17-beta-hydroxygon-4-en-3-one; alpha-Norgestrel
• rel-(1R,3aS,3bR,9aR,9bS,11aS)-11a-Ethyl-1-ethynyl-1-hydroxy-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one