fepe peni v penicillin v pnv pv
acipenv apocillin apopen beromycin calcipen compocillinv crystapenv distaquainev eskacillianv eskacillinv fenacilin fenospen meropenin oracillin oratren pcpenvk penicillinv phenocillin phenomycilline phenopenicillin robicillin rocilin stabicillin vebecillin veetids vegacillin