ox oxa oxac oxal oxs
bactocill bristopen cryptocillin micropenin ossacillina oxabel oxabelsalt oxacilina oxacillin spofa oxacillinanhydrous oxacilline oxacillinhydrate oxacillinmonohydrate oxacillinum oxazocillin oxazocilline penstapho prostaphlin prostaphlyn resistopen stapenor staphcillin v