匹氨西林,pivampicillin-凯发网址登录

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匹氨西林
目录号: pi04012001     品名: pivampicillin
cas no:33817-20-8|chemical formula: c22h29n3o6s|(pivaloyloxy)methyl (2s,5r,6r)-6-((r)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]he……
匹氨西林ep杂质a
目录号: pi04012002     品名: pivampicillin impurity a(ep)
cas no: |chemical formula: c23h32n2o7s|(5r)-5-amino-2-((4s)-5,5-dimethyl-4-(((pivaloyloxy)methoxy)carbonyl)thiazolidin-2-yl)-4-oxo-5-phenylpentanoic acid
匹氨西林ep杂质b
目录号: pi04012003     品名: pivampicillin impurity b(ep)
cas no: |chemical formula:c22h29n3o6s|(pivaloyloxy)methyl (4s)-2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylate
匹氨西林ep杂质c
目录号: pi04012004     品名: pivampicillin impurity c(ep) (a dimer)
cas no: |chemical formula:|co-oligomers of pivampicillin and of penicilloic acids of pivampicillin.

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