BENZHYDRYL6,6-DIHYDROPENICILLICACID1-OXIDE[TAZOBACTAMINTERMEDIATE];(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylicaciddiphenylmethylester4-oxide;(2S,5R)-Benzhydryl3,3-diMethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate4-oxide;(2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicAcidDiphenylmethylEster;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid,3,3-dimethyl-7-oxo-,diphenylmethylester,4-oxide,(2S,5R)-;TazobactamAcidImpurity24;TazobactamImpurity44;(2S,5R)-Benzhydryl3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-
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