Substituted ampicillins.
D000667:Ampicillin / Q000031:analogs & derivatives* / Q000494:pharmacology / Q000627:therapeutic use; D001419:Bacteria / Q000187:drug effects; D001424:Bacterial Infections / Q000188:drug therapy; D006801:Humans; D013329:Structure-Activity Relationship
D000667:Ampicillin