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哌拉西林
目录号: pi04011001     品名: piperacillin
cas: 61477-96-1 |chemical formula: c23h27n5o7s|(2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1……
哌拉西林ep杂质a
目录号: pi04011002     品名: piperacillin impurity a(ep),哌拉西林杂质a
cas: 69-53-4 |chemical formula: c16h19n3o4s|(2s,5r,6r)-6-((r)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic ac……
哌拉西林ep杂质b
目录号: pi04011003     品名: piperacillin impurity b(ep),piperacillin penicilloic acids.
cas: 64817-22-7 |chemical formula: c23h29n5o8s|(4s)-2-(carboxy((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazo……
哌拉西林ep杂质c
目录号: pi04011004     品名: piperacillin impurity c(ep),哌拉西林杂质c
cas: 64817-23-8 |chemical formula: c22h29n5o6s|(2r,4s)-2-(((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidi……
哌拉西林ep杂质d
目录号: pi04011005     品名: piperacillin impurity d(ep)(a dimer),piperacillinylampicillin
cas: 65772-67-0 |chemical formula:c39h44n8o10s2|(2s,5r,6r)-6-((r)-2-((2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-d……
哌拉西林ep杂质e
目录号: pi04011006     品名: piperacillin impurity e(ep)
cas: 59702-31-7 |chemical formula: c6h10n2o2|1-ethylpiperazine-2,3-dione
哌拉西林ep杂质f
目录号: pi04011007     品名: piperacillin impurity f(ep),acetylated penicilloic acids of piperacillin.
cas: |chemical formula: c25h31n5o9s|(4s)-3-acetyl-2-(carboxy((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazol……
哌拉西林ep杂质g
目录号: pi04011008     品名: piperacillin impurity g(ep)
cas: 63422-71-9 |chemical formula: c15h17n3o5|(r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetic acid
哌拉西林ep杂质h
目录号: pi04011009     品名: piperacillin impurity h(ep)
cas no: 551-16-6||chemical formula:c8h12n2o3s||molecular weight:216.25500||exact mass:216.05686||(2s,5r,6r)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0……
哌拉西林ep杂质i
目录号: pi04011010     品名: piperacillin impurity i(ep)
cas: 158411-82-6 |chemical formula: c6h11no3s|2-formamido-3-mercapto-3-methylbutanoic acid
哌拉西林甲酯化杂质
目录号: pi04011012     品名: piperacillin methyl ester impurity
cas: 65700-41-6 |chemical formula: c24h29n5o7s|methyl (2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-ox……
哌拉西林ep杂质r,哌拉西林二聚体1
目录号: pi04011013     品名: piperacillin impurity r(ep),piperacillin dimer1,open ring piperacillinylampicillin.
cas: |chemical formula: c39h46n8o11s2|(2s,5r,6r)-6-((2r)-2-((2s)-2-((2r,4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)-2-(2-(4-ethyl-2,3-dioxopiperazine-1-c……
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