Newer penicillins.
D006801:Humans; D010400:Penicillin G / Q000494:pharmacology; D010403:Penicillin Resistance; D010405:Penicillinase / Q000494:pharmacology; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins; D010405:Penicillinase; D010400:Penicillin G