penicillin O

详细解释:【化】 青霉素O; 烯丙硫甲青霉素
【医】 青霉素O, 丙烯巯甲基青霉素钠

英语解释：

名词 penicillin o:

a penicillin that is similar in antibiotic action to penicillin G but is obtained differently