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共有 52147 条记录
546-57-6 Erythromycin EP Impurity I (1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one Erythromycin EP Impurity I (1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one 杂质-对照品 (3家)
1356839-89-8 Lisinopril EP Impurity G (2S)-1-[(2S)-6-amino-2-[[(2S)-1-[[[(5S)-5-[[(1S)-1-carboxy-3-phenylpropyl]amino]-6-[(2S)-2-carboxypyrrolidin-1-yl]-6-oxohexyl]amino]carbonyl]-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid Lisinopril EP Impurity G (2S)-1-[(2S)-6-amino-2-[[(2S)-1-[[[(5S)-5-[[(1S)-1-carboxy-3-phenylpropyl]amino]-6-[(2S)-2-carboxypyrrolidin-1-yl]-6-oxohexyl]amino]carbonyl]-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid 杂质-对照品 (2家)
274693-26-4 Ticagrelor Acetonide 2-({(3aR,4S,6R,6aS)-6-[7-{[(1R,2S)-2-(3,4-Difluorophenyl)cyclopropyl]amino}-5-(propylsulfanyl)-3H-[1,2,3]-triazolo[4,5-d]pyrimidin-3-yl]-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4yl)oxy]-1-ethanol Ticagrelor Acetonide 2-({(3aR,4S,6R,6aS)-6-[7-{[(1R,2S)-2-(3,4-Difluorophenyl)cyclopropyl]amino}-5-(propylsulfanyl)-3H-[1,2,3]-triazolo[4,5-d]pyrimidin-3-yl]-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4yl)oxy]-1-ethanol 杂质-对照品 (6家)
54651-05-7 Anidulafungin Echinocandin B Impurity Cyclo[L-Thr-[(3S,4S)-3-hydroxy-4-methyl-L-Pro-]-[(4R,5R)-4,5-dihydroxy-N2-[(9Z,12Z)-1-oxo-9,12-octadecadien-1-yl]-L-Orn*-]-L-Thr-L-t4Hyp-[(3S,4S)-3,4-dihydroxy-4-(4-hydroxyphenyl)-L-Abu-]]  Anidulafungin Echinocandin B Impurity Cyclo[L-Thr-[(3S,4S)-3-hydroxy-4-methyl-L-Pro-]-[(4R,5R)-4,5-dihydroxy-N2-[(9Z,12Z)-1-oxo-9,12-octadecadien-1-yl]-L-Orn*-]-L-Thr-L-t4Hyp-[(3S,4S)-3,4-dihydroxy-4-(4-hydroxyphenyl)-L-Abu-]]  杂质-对照品 (1家)
1332981-16-4 Atazanavir (3S,8S,9S,12R)-Isomer (3S,8S,9S,12R)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-Dimethyl Ester CAS # 1332981-16-4 Atazanavir (3S,8S,9S,12R)-Isomer (3S,8S,9S,12R)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-Dimethyl Ester CAS # 1332981-16-4 杂质-对照品 (1家)
92143-31-2 Ceftriaxone EP Impurity A (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Ceftriaxone EP Impurity A (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 杂质-对照品 (1家)
1370190-94-5 Posaconazole Desethylene Impurity 4-(4-(2-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)-tetrahydrofuran-3-yl)methoxy)phenylamino)ethylamino)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl)-2H-1,2,4-triazol-3(4H)-one Posaconazole Desethylene Impurity 4-(4-(2-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)-tetrahydrofuran-3-yl)methoxy)phenylamino)ethylamino)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl)-2H-1,2,4-triazol-3(4H)-one 杂质-对照品 (4家)
96680-30-7 Cefpodoxime Proxetil EP Impurity F (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-[(2-formyl amino)thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity F (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-[(2-formyl amino)thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 杂质-对照品 (4家)
947692-15-1 Cefpodoxime Proxetil EP Impurity G (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-[2-(2-acetyl amino)thiazol-4-yl]-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity G (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-[2-(2-acetyl amino)thiazol-4-yl]-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 杂质-对照品 (5家)
203645-63-0 (6R,7S)-7-[[(2R)-2-[[(4-ETHYL-2,3-DIOXOPIPERAZINE-1-YL)CARBONYL]AMINO]-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-3-[[(1-METHYL-1H-TETRAZOL-5-YL)SULPHANYL]METHYL]-8-OXO-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID AMITRIPTYLINE HCL (D6) AMITRIPTYLINE HCL (D6) 杂质-对照品 (8家)
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