title: New semi-synthetic penicillin active against Pseudomonas pyocyanea.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000187:drug effects; D004285:Dogs; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D051379:Mice; D010406:Penicillins / Q000138:chemical synthesis / Q000494:pharmacology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects; D011549:Pseudomonas / Q000187:drug effects*; D051381:Rats
chemical_list: D010406:Penicillins