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共有 22211 条记录
1380413-60-4
Paliperidone Desfluoro Impurity 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Paliperidone Desfluoro Impurity 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
杂质-对照品
(2家)
477-47-4
Podophyllotoxin 5a-Epimer (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’:6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one
Podophyllotoxin 5a-Epimer (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’:6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one
杂质-对照品
(1家)
171489-03-5
Tadalafil Desmethylene Impurity (6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione
Tadalafil Desmethylene Impurity (6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione
杂质-对照品
(1家)
2394-68-5
Ubidecarenone EP Impurity C 5,6-Dimethoxy-3-methyl-2-[(all-E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaenyl]benzene-1,4-dione
Ubidecarenone EP Impurity C 5,6-Dimethoxy-3-methyl-2-[(all-E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaenyl]benzene-1,4-dione
杂质-对照品
(1家)
24177-09-1
[2R-(2α,5α,10aβ,10bα)]-[Octahydro-10b-hydroxy-2-(1-methylethyl)-5-(2-methylpropyl)-3,6-dioxo-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl]-carbamic Acid
[2R-(2α,5α,10aβ,10bα)]-[Octahydro-10b-hydroxy-2-(1-methylethyl)-5-(2-methylpropyl)-3,6-dioxo-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl]-carbamic Acid
杂质-对照品
(1家)
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