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哌拉西林二聚体2
目录号: pi04011014     品名: piperacillin dimer2
cas: |chemical formula: c41h48n8o10s2|ethyl (2s,5r,6r)-6-((r)-2-((2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-……
哌拉西林氧化杂质
目录号: pi04011015     品名: piperacillin oxide impurity
cas no: 67275-27-8 |chemical formula: c23h27n5o8s|(2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4……
哌拉西林ep杂质s,哌拉西林双母核
目录号: pi04011016     品名: piperacillin impurity s(ep),piperacillin double parents,piperacillin penicillamide.
cas: |chemical formula: c31h37n7o9s2|(2s,5r,6r)-6-((2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo……
哌拉西林ep杂质j,哌拉西林甘氨酸杂质
目录号: pi04011017     品名: piperacillin impurity j(ep),piperacillin glycine impurity
cas: 2170771-47-6 |chemical formula:c17h20n4o6|(r)-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetyl)glycine
哌拉西林ep杂质p
目录号: pi04011018     品名: piperacillin impurity p(ep),piperazinedione-carbonyl d-phenyl-glycylampicillin
cas: |chemical formula: c31h34n6o8s|(2s,5r,6r)-6-((r)-2-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-2-phenylacetamido)-3,3-dimethy……
哌拉西林二聚体-4
目录号: pi04011019     品名: piperacillin dimer 4
cas no:n/a ||chemical formula:c46h56n10o15s2 ||molecular weight:1053.12900 ||exact mass:1052.33680||(4s)-2-(carboxy((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxa……
哌拉西林二酮哌嗪
目录号: pi04011020     品名: piperacillin diketopiperazine
cas: |chemical formula: c23h27n5o7s|(2r,4s)-2-((2r,5r)-4-(4-ethyl-2,3-dioxopiperazine-1-carbonyl)-3,6-dioxo-5-phenylpiperazin-2-yl)-5,5-dimethylthiazoli……
哌拉西林开环6apa
目录号: pi04011021     品名: piperacillin open-ring 6apa
cas no:n/a||chemical formula:c31h39n7o10s2||molecular weight:733.81200||exact mass:733.21998||(2s,5r,6r)-6-(2-((4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)-2-((……
哌拉西林ep杂质n,l-哌拉西林
目录号: pi04011022     品名: piperacillin impurity n(ep),l-piperacillin
cas no:n/a||chemical formula:c23h27n5o7s||molecular weight:517.55700||exact mass:517.16312||(2s,5r,6r)-6-((s)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-ph……
哌拉西林ep杂质k,哌拉西林烯酸
目录号: pi04011023     品名: piperacillin impurity k(ep),piperacilinic acid
cas no:n/a ||chemical formula:c23h27n5o7s ||molecular weight:517.55700 ||exact mass:517.16312 "|| 2-(((e)-(2-((r)-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)(p……
哌拉西林双氧化杂质
目录号: pi04011024     品名: piperacillin dioxide impurity
cas no:n/a ||chemical formula:c23h27n5o9s ||molecular weight:549.55500 ||exact mass:549.15295 ||(2s,5r,6r)-6-((r)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-……
氨苄青霉素乙内酰脲类似物(双峰,含差向异构体)
目录号: pi04011025     品名: ampicillin glycolylurea analogue
cas no:n/a ||chemical formula:c17h17n3o5s ||molecular weight:375.39900 ||exact mass:375.08889 ||(2s,5r,6r)-6-(2,5-dioxo-4-phenylimidazolidin-1-yl)-3,3-dimethyl-……
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