ciprofloxacin ol - 化合物搜索

ciprofloxacin ol PubChem CID 57160345

O=C(O)c1c(O)c2cc(F)c(N3CCNCC3)cc2n(C2CC2)c1=O

5,7-Bis(hydroxyl[oxido]amino)-8-hydroxyquinoline; 5,7-Dinitro-8-hydroxyquinoline; 5,7-Dinitrooxine; 8-Hydroxy-5,7-dinitroquinoline; NSC 57103; NSC 74940 CAS 1084-32-8 PubChem CID 245295

O=[N+]([O-])c1cc([N+](=O)[O-])c2cccnc2c1O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol PubChem CID 456480

CC[C@@H](CO)NCCN[C@@H](CC)CO.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol PubChem CID 456641

CC[C@@H](CO)NCCN[C@@H](CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](OC2CC(C)(OC)C(O)C(C)O2)[C@H](C)[C@@H](OC2OC(C)CC(N(C)C)C2O)[C@](C)(O)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3000544

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(OC)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(2S)-4-amino-N-[(1R,2S,3S,4R,5S)-5-amino-2-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-4-[(2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-trihydroxy-tetrahydropyran-2-yl]oxy-3-hydroxy-cyclohexyl]-2-hydroxy-butanamide; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2R,3S,4R,5R,8R,10R,11R,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol PubChem CID 3009497

CC[C@@H](CO)NCCN[C@@H](CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)C(C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.NCC[C@H](O)C(=O)N[C@@H]1C[C@H](N)[C@@H](O[C@H]2O[C@H](CN)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H]1O[C@H]1O[C@H](CO)[C@@H](O)[C@H](N)[C@H]1O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(2S)-4-amino-N-[(1R,2S,3S,4R,5S)-5-amino-2-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-4-[(2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-trihydroxy-tetrahydropyran-2-yl]oxy-3-hydroxy-cyclohexyl]-2-hydroxy-butanamide; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009506

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.NCC[C@H](O)C(=O)N[C@@H]1C[C@H](N)[C@@H](O[C@H]2O[C@H](CN)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H]1O[C@H]1O[C@H](CO)[C@@H](O)[C@H](N)[C@H]1O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(3E)-N,5-bis(4-chlorophenyl)-3-isopropylimino-phenazin-2-amine; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009519

CC(C)N=c1cc2n(-c3ccc(Cl)cc3)c3ccccc3nc-2cc1Nc1ccc(Cl)cc1.CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(OC)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(2S)-4-amino-N-[(1R,2S,3S,4R,5S)-5-amino-2-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-4-[(2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-trihydroxy-tetrahydropyran-2-yl]oxy-3-hydroxy-cyclohexyl]-2-hydroxy-butanamide; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009521

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(OC)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O.NCC[C@H](O)C(=O)N[C@@H]1C[C@H](N)[C@@H](O[C@H]2O[C@H](CN)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H]1O[C@H]1O[C@H](CO)[C@@H](O)[C@H](N)[C@H]1O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(2S)-4-amino-N-[(1R,2S,3S,4R,5S)-5-amino-2-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-4-[(2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-trihydroxy-tetrahydropyran-2-yl]oxy-3-hydroxy-cyclohexyl]-2-hydroxy-butanamide; (3E)-N,5-bis(4-chlorophenyl)-3-isopropylimino-phenazin-2-amine; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009522

CC(C)N=c1cc2n(-c3ccc(Cl)cc3)c3ccccc3nc-2cc1Nc1ccc(Cl)cc1.CCC(CO)NCCNC(CC)CO.NCC[C@H](O)C(=O)N[C@@H]1C[C@H](N)[C@@H](O[C@H]2O[C@H](CN)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H]1O[C@H]1O[C@H](CO)[C@@H](O)[C@H](N)[C@H]1O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009524

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(OC)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(3E)-N,5-bis(4-chlorophenyl)-3-isopropylimino-phenazin-2-amine; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009528

CC(C)N=c1cc2n(-c3ccc(Cl)cc3)c3ccccc3nc-2cc1Nc1ccc(Cl)cc1.CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(3E)-N,5-bis(4-chlorophenyl)-3-isopropylimino-phenazin-2-amine; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009530

CC(C)N=c1cc2n(-c3ccc(Cl)cc3)c3ccccc3nc-2cc1Nc1ccc(Cl)cc1.CCC(CO)NCCNC(CC)CO.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol PubChem CID 3009532

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

propanoic acid,(1S,2S,4S,5S)-2,6,6-trimethylbicyclo[3.1.1]heptan-4-ol CAS 78607-36-0 PubChem CID 2735743

Clc1ncccc1I

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-10-(2-methoxyethoxymethoxyimino)-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol PubChem CID 9575754

CC[C@@H](CO)NCCN[C@@H](CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](OC2CC(C)(OC)C(O)C(C)O2)[C@H](C)[C@@H](OC2OC(C)CC(N(C)C)C2O)[C@](C)(O)C[C@@H](C)/C(=N\OCOCCOC)[C@H](C)[C@@H](O)[C@]1(C)O.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol; (trihydroxy-1'-isobutyl-methoxy-heptamethyl-trioxo-spiro[[?]-4,4'-piperidine]yl) acetate PubChem CID 135446886

CCC(CO)NCCNC(CC)CO.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O.CO[C@H]1/C=C/O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c5c(c4c3C2=O)NC2(CCN(CC(C)C)CC2)N=5)=NC(=O)/C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

(3E)-N,5-bis(4-chlorophenyl)-3-isopropylimino-phenazin-2-amine; 1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; 2-[2-[1-(hydroxymethyl)propylamino]ethylamino]butan-1-ol; (trihydroxy-1'-isobutyl-methoxy-heptamethyl-trioxo-spiro[[?]-4,4'-piperidine]yl) acetate PubChem CID 135446890

CC(C)N=c1cc2n(-c3ccc(Cl)cc3)c3ccccc3nc-2cc1Nc1ccc(Cl)cc1.CCC(CO)NCCNC(CC)CO.CO[C@H]1/C=C/O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c5c(c4c3C2=O)NC2(CCN(CC(C)C)CC2)N=5)=NC(=O)/C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol; [pentahydroxy-methoxy-heptamethyl-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-dioxo-[?]yl] acetate PubChem CID 135483802

CC[C@@H](CO)NCCN[C@@H](CC)CO.CO[C@H]1/C=C/O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c(/C=N/N5CCN(C)CC5)c(O)c4c3C2=O)NC(=O)/C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

1-cyclopropyl-6-fluoro-4-oxo-7-piperazin-1-yl-quinoline-3-carboxylic acid; (2S)-2-[2-[[(1S)-1-(hydroxymethyl)propyl]amino]ethylamino]butan-1-ol; (trihydroxy-1'-isobutyl-methoxy-heptamethyl-trioxo-spiro[[?]-4,4'-piperidine]yl) acetate PubChem CID 135483825

CC[C@@H](CO)NCCN[C@@H](CC)CO.CO[C@H]1/C=C/O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c5c(c4c3C2=O)NC2(CCN(CC(C)C)CC2)N=5)=NC(=O)/C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

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