2-ARYLMETHYLAZETIDINE-CARBAPENEM-3-CARBOXYLIC ACID ESTER DERIVATIVE OR ITS SALT, PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
[EN] 2-ARYLMETHYLAZETIDINE-CARBAPENEM-3-CARBOXYLIC ACID ESTER DERIVATIVE OR ITS SALT, PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME [FR] DÉRIVÉ D' ESTER D'ACIDE 2-ARYLMÉTHYLAZETIDINE-CARBAPENEM-3-CARBOXYLIQUE OU SELS DE CE DÉRIVÉ, PROCESSUS DE PRÉPARATION DE CE COMPOSÉ ET COMPOSITION PHARMACEUTIQUE LE COMPRENANT