title: Pirbenicillin--a semi-synthetic penicillin with antipseudomonal activity.
mesh_terms: D004353:Drug Evaluation, Preclinical; D004926:Escherichia coli / Q000187:drug effects; D010406:Penicillins / Q000138:chemical synthesis / Q000494:pharmacology*; D011550:Pseudomonas aeruginosa / Q000187:drug effects*; D011725:Pyridines / Q000138:chemical synthesis / Q000494:pharmacology; D013045:Species Specificity; D013329:Structure-Activity Relationship
chemical_list: D010406:Penicillins; D011725:Pyridines