title: [Serial studies of some nitrogen-containing heterocyclic compounds; new semisynthetic penicillins of the quinoxaline class. II].
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D006571:Heterocyclic Compounds / Q000494:pharmacology*; D008826:Microbial Sensitivity Tests; D010406:Penicillins / Q000494:pharmacology*; D011810:Quinoxalines / Q000494:pharmacology*; D013329:Structure-Activity Relationship
chemical_list: D006571:Heterocyclic Compounds; D010406:Penicillins; D011810:Quinoxalines
vernacular_title: Cercetări în seria unor heterocicli cu azot; noi peniciline de semisinteză din clasa chinoxalinei. Nota II.