[On several derivatives of alpha-aminobenzylpenicillin].
D001419:Bacteria / Q000187:drug effects*; D002626:Chemistry, Pharmaceutical; D066298:In Vitro Techniques; D010400:Penicillin G / Q000494:pharmacology*
D010400:Penicillin G
Su alcuni derivati dell'alpha-amminobenzilpenicillina.