title: Antibacterial activity of 6-(5-membered heteroarylacetamido)penicillanic acids.
mesh_terms: D000081:Acetamides / Q000138:chemical synthesis / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects; D007711:Klebsiella pneumoniae / Q000187:drug effects; D008826:Microbial Sensitivity Tests; D010397:Penicillanic Acid / Q000138:chemical synthesis / Q000494:pharmacology; D010406:Penicillins / Q000138:chemical synthesis*; D012475:Salmonella / Q000187:drug effects; D013210:Staphylococcus / Q000187:drug effects; D013296:Streptococcus pneumoniae / Q000187:drug effects; D013297:Streptococcus pyogenes / Q000187:drug effects; D013329:Structure-Activity Relationship; D013844:Thiazoles / Q000138:chemical synthesis*
chemical_list: D000081:Acetamides; D010406:Penicillins; D013844:Thiazoles; D010397:Penicillanic Acid