英文别名Tazobactam Acid Impurity; Tazobactam Impurity 5; Tazobactam Impurity 43; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3-(chloromethyl)-3-methyl-7-oxo-, diphenylmethyl ester, (2S,3S,5R)-; (2S,3S,5R)-benzhydryl 3-(chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate; benzhydryl 2α-chloromethyl-2β-methyl-6,6-dihydropenam-3α-carboxylate; (2S,3S,5R)-3-Chloromethyl-3-methyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester; Diphenylmethyl (2S,3S,5R)-3-(chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 
