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共有 25829 条记录
1428856-46-5 (base) Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   杂质-对照品 (1家)
947692-13-9 Cefpodoxime Proxetil EP Impurity D (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2E)-2-(2-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 D (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2E)-2-(2-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 (1家)
127157-35-1 Clarithromycin EP Impurity K (1S,2R,5R,6S,7S,8R,9R,11Z)-2-Ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-8-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-3,15-dioxabicyclo[10.2.1]pentadeca-11,13-dien-4-one Clarithromycin EP Impurity K (1S,2R,5R,6S,7S,8R,9R,11Z)-2-Ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-8-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-3,15-dioxabicyclo[10.2.1]pentadeca-11,13-dien-4-one 杂质-对照品 (1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 (1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 (2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)
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 (1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 (1家)
159143-77-8 Simvastatin Dihydro Diol Impurity [1S-[1α,3α,4β,6α,7β,8β(2S*,4S*),8aβ]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester Simvastatin Dihydro Diol Impurity [1S-[1α,3α,4β,6α,7β,8β(2S*,4S*),8aβ]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester 杂质-对照品 (1家)
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