the antibacterial activity of ofloxacin ( dl 8280 , hoe 280 tarivid ) against ampicillin-resistant clinical isolates was compared to , penicillin v , tetracyclin-hcl , cefalexin , cefaclor , co-trimoxazole and nalidixic acid .
C0007716
cefalexin
C0007537
cefaclor