Penem compounds, pharmaceutical compositions containing...
Penem compounds, production and use thereof
Penem derivatives
Penem derivatives
Penem derivatives
Penem derivatives and antibacterial agents containing same
Penem derivatives and processes for their preparation
Penem derivatives, production and use thereof
Penem prodrugs
Penicillaminamide derivatives
Penicillamine compounds
Penicillanic acid 1,1-dioxides as .beta.-lactamase inhibitors
Penicillanic acid derivative and process for preparing the same
Penicillanic acid derivatives
Penicillanic acids
Penicillanoyloxymethyl penicillanate 1,1,1',1'- tetraoxide
Penicillin and cephalosporin cleavage process and compounds...
Penicillin and cephalosporin derivatives
Penicillin compounds and methods for the production thereof
Penicillin compounds and process for preparation thereof