title: [Semisynthetic penicillins. XVIII. Studies on the relationship between the structure of the side chain and the antibacterial activity of amidinopenicillins].
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D001381:Azepines / Q000494:pharmacology*; D002209:Caprolactam / Q000031:analogs & derivatives / Q000494:pharmacology*; D055598:Chemical Phenomena; D002621:Chemistry; D004755:Enterobacteriaceae / Q000187:drug effects*; D010397:Penicillanic Acid / Q000494:pharmacology*; D010406:Penicillins / Q000494:pharmacology; D011760:Pyrrolidinones / Q000494:pharmacology*; D013211:Staphylococcus aureus / Q000187:drug effects*
chemical_list: D001381:Azepines; D010406:Penicillins; D011760:Pyrrolidinones; D002209:Caprolactam; D000667:Ampicillin; D010397:Penicillanic Acid
vernacular_title: Penicyliny półsyntetyczne. XVIII. Z badań nad zaleznościa pomiedzy budowa łańcucha bocznego a aktywnościa przeciwbakteryjna amidynopenicylin.