英文同义词 | Piperacillin impurity 5/Piperacillin Methyl Ester Impurity;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-, methyl ester, [2S-[2α,5α,6β(S*)]]- (9CI);methyl(5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate;Piperacillin methyl ester impurity;Piperacillin EP Impurity Y;(2S,5R,6R)-Methyl 6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate (Piperacillin Impurity);Penicillin G Ester Ring-Opening;Piperacillin Methyl Ester |
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