In vitro activity of a new higher-lactam antibacterial agent LY 193239

In vitro activity of the new bicyclic pyrazolidinone LY 193239 (Eli Lilly) was evaluated against 52 clinical isolates of Haemophilus influenzae (4 were β-lactamase producers), 32 Enterococcus faecalis, 14 Neisseria gonorrhoeae (1 β-lactamase-positive) and 19 Neisseria meningitidis