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共有 1499 条记录
1788899-70-6 Iopamidol EP Impurity K N,N’-Bis[2-Hydroxy-1-(hydroxymethyl)ethyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4-diiodobenzene-1,3-dicarboxamide Iopamidol EP Impurity K N,N’-Bis[2-Hydroxy-1-(hydroxymethyl)ethyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4-diiodobenzene-1,3-dicarboxamide 杂质-对照品 (2家)
60286-30-8 2,2',2'',2'''-[[4-[(2-Hydroxyethyl)amino]-8-(1-piperidinyl)pyrimido[5,4-d]pyrimidine-2,6-diyl]dinitrilo]tetrakisethanol (Dipyridamole Impurity) 2,2',2'',2'''-[[4-[(2-Hydroxyethyl)amino]-8-(1-piperidinyl)pyrimido[5,4-d]pyrimidine-2,6-diyl]dinitrilo]tetrakisethanol (Dipyridamole Impurity) 杂质-对照品 (1家)
383907-63-9 L-α-磷脂酰乙醇胺,反磷脂酰化(鸡蛋,鸡肉) L-α-phosphatidylethanolamine, transphosphatidylated (Egg, Chicken) 简写： Egg Trans PE L-α-phosphatidylethanolamine, transphosphatidylated (Egg, Chicken) 杂质-对照品 (1家)
1322530-67-5 2,2',2''-[(5,11,17-Tridodecylhexabenzo[bc,ef,hi,kl,no,qr]coronene-2,8,14-triyl)tris(4,1-phenyleneoxy-2,1-ethanediyloxy-2,1-ethanediyloxy)]tris-ethanol 2,2',2''-[(5,11,17-Tridodecylhexabenzo[bc,ef,hi,kl,no,qr]coronene-2,8,14-triyl)tris(4,1-phenyleneoxy-2,1-ethanediyloxy-2,1-ethanediyloxy)]tris-ethanol 杂质-对照品 (1家)
193146-51-9 (3S,6R,7S,8S,12Z,15S,16E)-1,3,7,15-Tetrakis-{[tert-butyl(dimethyl)silyl]oxy}-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)heptadeca-12,16-dien-5-one (3S,6R,7S,8S,12Z,15S,16E)-1,3,7,15-Tetrakis-{[tert-butyl(dimethyl)silyl]oxy}-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)heptadeca-12,16-dien-5-one 杂质-对照品 (1家)
328394-28-1 N2-(1,1,4,4-Tetramethyldisilylazacyclopentanyl)-O6-benzyl-8-bromo-N9-[3’,5’-O-(1,1,3,3-tetrakis(isopropyl)-1,3-disiloxanediyl)-β-D-2’-deoxyribofuranosyl]guanine N2-(1,1,4,4-Tetramethyldisilylazacyclopentanyl)-O6-benzyl-8-bromo-N9-[3’,5’-O-(1,1,3,3-tetrakis(isopropyl)-1,3-disiloxanediyl)-β-D-2’-deoxyribofuranosyl]guanine 杂质-对照品 (1家)
184764-20-3 Montelukast (3S)-Hydroxy Methoxymethoxy Impurity 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1’-hydroxy-2’-methoxymethyl)propanol Montelukast (3S)-Hydroxy Methoxymethoxy Impurity 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1’-hydroxy-2’-methoxymethyl)propanol 杂质-对照品 (1家)
1623021-24-8 Lopinavir EP Impurity K (2R)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide Lopinavir EP Impurity K (2R)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide 杂质-对照品 (1家)
1322626-65-2 Cefazolin EP Impurity K (6R,7R)-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)sulphanyl]methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide Cefazolin EP Impurity K (6R,7R)-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)sulphanyl]methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide 杂质-对照品 (2家)
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