单词 oxacillin 释义 oxacillin Pharm.|kssln|[f. is)oxa(zole (s.v. iso- b) + penicillin.]A semisynthetic penicillin, C19H18N3O5NaS.H2O, that is used as an alternative to methicillin, having the same resistance to penicillinase and being in addition resista...