Carbapenems of the formula ##STR1## wherein either the 2-fluoren-9-one or 3-fluoren-9-one is attached at the 2-position of the carbapenem are useful antibacterial agents.
Carbapenems of the formula
wherein either the 2-fluoren-9-one or 3-fluoren-9-one is attached at the 2-position of the carbapenem are useful antibacterial agents.