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共找到 585 条结果，关键词：Pyrimidine+Impurity+3

5-(2-fluoro-3-methoxyphenyl)-1-{[2-fluoro-6-(trifluoromethyl)phenyl]methyl}-6-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 1150560-59-0 PubChem CID 67105571

COc1cccc(-c2c(C)n(Cc3c(F)cccc3C(F)(F)F)c(=O)[nH]c2=O)c1F
1-(3-Chloro-2,3-dideoxy-beta-D-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1H,3H)-dione; Zidovudine Imp. B (EP); 892U81; GW 297366X; USP Zidovudine Related Compound B; Ph Eur Zidovudine Impurity B; 3-chloro-3-deoxythymidine 892U81; 3'-chloro-3'-deoxythymidine; Zidovudine Related Compound B; Zidovudine Impurity B CAS 25526-94-7 PubChem CID 72249

Cc1cn([C@H]2C[C@H](Cl)[C@@H](CO)O2)c(=O)[nH]c1=O
Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)ethenyl)-, (Z)- CAS 46426-32-8 PubChem CID 6914279

Cc1ccsc1/C=C\C1=NCCCN1C
Ethyl 8-Ethyl-5-oxo-2-(piperazin-1-yl)-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate (Pipemidic Acid Ethyl Ester); Pipemidic Acid Trihydrate Imp. E (EP); Pipemidic Acid Imp. E (EP); 8-Ethyl-5,8-dihydro-5-oxo-2-(1-piperazinyl)pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester; Ethyl pipemidate; Pipemidic Acid Trihydrate Impurity E; Pipemidic Acid Impurity E CAS 51940-43-3 PubChem CID 12266832

CCOC(=O)c1cn(CC)c2nc(N3CCNCC3)ncc2c1=O
Acetamide, N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-5-yl)phenyl]-N-ethyl-; N-[3-(3-Cyanopyrazolo[1,5-a]pyrimidin-5-yl)phenyl]-N-ethylacetamide; Zaleplon RC B CIV (USP); Zaleplon Related Compound B CAS 478081-98-0 PubChem CID 9879548

CCN(C(C)=O)c1cccc(-c2ccn3ncc(C#N)c3n2)c1
Benzenesulfonamide, 3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxy- (9CI); 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide; DA 8164; Udenafil N-desalkyl CAS 319491-68-4 PubChem CID 135499879

CCCOc1ccc(S(N)(=O)=O)cc1-c1nc2c(CCC)nn(C)c2c(=O)[nH]1
4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine; 3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine CAS 330786-24-8 PubChem CID 22346757

Nc1ncnc2n[nH]c(-c3ccc(Oc4ccccc4)cc3)c12
Benzoic acid, 4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]-; 4-Methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzoic acid; Nilotinib Hydrochloride Monohydrate Impurity D; Nilotinib Impurity D CAS 641569-94-0 PubChem CID 10402880

Cc1ccc(C(=O)O)cc1Nc1nccc(-c2cccnc2)n1
Buspirone Hydrochloride Imp. D (EP); Buspirone Imp. D (EP); 2,2'-[Oxybis[butane-1,4-diyl-(piperazine-1,4-diyl)]]dipyrimidine; Buspirone Hydrochloride Impurity D; Buspirone Impurity D CAS 2724726-67-2 PubChem CID 129318578

c1cnc(N2CCN(CCCCOCCCCN3CCN(c4ncccn4)CC3)CC2)nc1
(S)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)-4-((4-methoxybenzyl)amino)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide? (Avanafil Impurity CAS 330784-50-4 PubChem CID 20607192

COc1ccc(CNc2nc(N3CCC[C@H]3CO)ncc2C(=O)NCc2ncccn2)cc1
Betamethasone Acetate Imp. A (EP); Betamethasone Valerate Imp. A (EP); Dexamethasone Imp. B (EP); Betamethasone; 9-Fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione; Betamethasone Dipropionate Imp. A (Pharmeuropa); CCI 922; Ph Eur Betamethasone Valerate Impurity A; Betamethasone Sodium Phosphate related; CS valerate; Betamethasone; Betamethasone Acetate Impurity A; Betamethasone Dipropionate Impurity A; Betamethasone Valerate Impurity A; Dexamethasone Impurity B CAS 378-44-9 PubChem CID 9782

C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]2(C)[C@@]1(O)C(=O)CO
4-Amino-2,6-dichloropyrimidine =98.0% (by GC, total nitrogen) CAS 10132-07-7 PubChem CID 82387

Nc1cc(Cl)nc(Cl)n1
4-{[(3-chloro-4-methoxyphenyl)methyl]amino}-2-[(2R)-2-(hydroxymethyl)pyrrolidin-1-yl]-N-[(pyrimidin-2-yl)methyl]pyrimidine-5-carboxamide CAS 1638497-26-3 PubChem CID 92403424

COc1ccc(CNc2nc(N3CCC[C@@H]3CO)ncc2C(=O)NCc2ncccn2)cc1Cl
3-(4-(((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)(methyl)amino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-3-oxopropanenitrile, absolute stereochemistry CAS 2459302-77-1 PubChem CID 91810733

C[C@@H]1CCN(C(=O)CC#N)C[C@@H]1N(C)c1ncnc2c1ccn2C(=O)CC#N
Trimethoprim Imp. D (EP); 2-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-4-ol; AHTP; Ph Eur Trimethoprim Impurity D; Trimethoprim Impurity D CAS 92440-76-1 PubChem CID 597783

COc1cc(Cc2cnc(N)[nH]c2=O)cc(OC)c1OC
3 inverted exclamation mark -Azido-2 inverted exclamation mark -deoxy-5 inverted exclamation mark -trityl thymidine CAS 29706-84-1 PubChem CID 10929300

Cc1cn([C@H]2C[C@H](N=[N+]=[N-])[C@@H](COC(c3ccccc3)(c3ccccc3)c3ccccc3)O2)c(=O)[nH]c1=O
p-toluenesulfonic acid 3-cyclopropyl-1-(2-fluoro-4-iodo-phenyl)-6,8-dimethyl-2,4,7-trioxo-1,2,3,4,7,8-hexahydro-pyrido[2,3-d]pyrimidin-5-yl ester CAS 871700-32-2 PubChem CID 59717044

Cc1ccc(S(=O)(=O)Oc2c(C)c(=O)n(C)c3c2c(=O)n(C2CC2)c(=O)n3-c2ccc(I)cc2F)cc1
3-methyl-6-(methylamino)-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 5759-63-7 PubChem CID 255442

CNc1cc(=O)n(C)c(=O)[nH]1
4-Amino-2,6-dihydroxypyrimidine; 6-Amino-2,4-pyrimidinediol CAS 873-83-6 PubChem CID 70120

Nc1cc(=O)[nH]c(=O)[nH]1
6-Amino-5-(2,2-diethoxyethyl)-4(3H)-pyrimidinone; 6-Amino-5-(2,2-diethoxyethyl)pyrimidin-4-ol; NSC 59250 CAS 7400-06-8 PubChem CID 135408688

CCOC(Cc1c(N)nc[nH]c1=O)OCC