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共有 52147 条记录
204204-75-1 (3E)-4-(Acetylthio)-α-(2-chlorophenyl)-3-(2-ethoxy-2-oxoethylidene)-1-piperidineacetic Acid Methyl Ester (Mixture of Diastereomers) (3E)-4-(Acetylthio)-α-(2-chlorophenyl)-3-(2-ethoxy-2-oxoethylidene)-1-piperidineacetic Acid Methyl Ester (Mixture of Diastereomers) 杂质-对照品 (1家)
74874-08-1 (2R,4R)1-[(2S)2-Amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Ethyl Ester Hydrochloride (2R,4R)1-[(2S)2-Amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Ethyl Ester Hydrochloride 杂质-对照品 (3家)
87932-11-4 Iopamidol EP Impurity D 3-[[2-Hydroxy-1-(hydroxymethyl)ethyl]carbamoyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4,6-triiodobenzoicacid Iopamidol EP Impurity D 3-[[2-Hydroxy-1-(hydroxymethyl)ethyl]carbamoyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4,6-triiodobenzoicacid 杂质-对照品 (5家)
154825-96-4 Fexofenadine EP Impurity D Methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate Fexofenadine EP Impurity D Methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate 杂质-对照品 (3家)
42399-40-6 (Base) C20H24N2O3S MW: 372.48 Diltiazem EP Impurity F (2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol HCl Diltiazem EP Impurity F (2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol HCl 杂质-对照品 (1家)
2097641-50-2 Naphthalene, 4-​(4-​chlorophenyl)​-​1,​2,​3,​4-​tetrahydro-​6-​methoxy-​1-​methyl-​, (1R,​4R)​-​rel- Naphthalene, 4-​(4-​chlorophenyl)​-​1,​2,​3,​4-​tetrahydro-​6-​methoxy-​1-​methyl-​, (1R,​4R)​-​rel- 杂质-对照品 (1家)
935841-80-8 N-[(1R,2R)-2-Hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]carbamic Acid 1,1-Dimethylethyl Ester N-[(1R,2R)-2-Hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]carbamic Acid 1,1-Dimethylethyl Ester 杂质-对照品 (1家)
1133153-38-4 N-[(1S,2S)-2-Hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]carbamic Acid 1,1-Dimethylethyl Ester N-[(1S,2S)-2-Hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]carbamic Acid 1,1-Dimethylethyl Ester 杂质-对照品 (1家)
119302-91-9 Rocuronium Bromide 1-[17β-(Acetyloxy)-3α-hydroxy-2β-(morpholin-4-yl)-5α-androstan-16β-yl]-1-(prop-2-enyl)pyrrolidinium bromide Rocuronium Bromide 1-[17β-(Acetyloxy)-3α-hydroxy-2β-(morpholin-4-yl)-5α-androstan-16β-yl]-1-(prop-2-enyl)pyrrolidinium bromide 杂质-对照品 (1家)
63590-64-7 Prazosin Tetrahydro Impurity 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl) carbonxyl] piperazine hydrochloride Prazosin Tetrahydro Impurity 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl) carbonxyl] piperazine hydrochloride 杂质-对照品 (2家)
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