NOVEL CARBAPENEM COMPOUNDS
2-phenanthridonyl-carbapenems
2-biphenyl-carbapenems
CRYSTALLINE CARBAPENEM INTERMEDIATE
2-benzocoumarinyl carbapenems
PROCESS FOR IMPROVING CARBAPENEM ANTIBIOTIC USING CARBAPENEM INTERMEDIATE, AND METHOD FOR RETRIEVING CARBAPENEM IN THE PROCESS
ALKENYLSILYLAZETIDINONE INTERMEDIATES FOR CARBAPENEMS