title: [Semisynthetic penicillins. X. Synthesis of 6-formamidinopenicillanic acid derivatives of cyclic secondary amines].
mesh_terms: D000578:Amidines; D000588:Amines; D001419:Bacteria / Q000187:drug effects; D005559:Formamides; D008826:Microbial Sensitivity Tests; D010397:Penicillanic Acid / Q000138:chemical synthesis* / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D000578:Amidines; D000588:Amines; D005559:Formamides; D010397:Penicillanic Acid
vernacular_title: Penicyliny półsyntetyczne. X. Synteza kwasów 6-formamidynopenicylanowych, pochodnych cyklicznych amin drugorzedowych.