A new class of semisynthetic penicillins and cephalosporins derived from D-2-(1,4-cyclohexadienyl)glycine.
D000667:Ampicillin / Q000494:pharmacology; D002511:Cephalosporins / Q000138:chemical synthesis* / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry
D002511:Cephalosporins; D000667:Ampicillin