<unk>  is an antibiotic that is FDA approved for the treatment of infections caused by penicillinase producing staphylococci.   Common adverse reactions include rash, diarrhea, nausea.
Oxacillin
Piperacillin
Plicamycin
Ampicillin 
Hetacillin
Clindamycin hydrochloride 
Dicloxacillin
Flucloxacillin