title: Synthesis and in vitro activity of the penem antibiotics.
mesh_terms: D001421:Bacteria, Anaerobic / Q000187:drug effects; D066298:In Vitro Techniques; D013329:Structure-Activity Relationship; D013845:Thienamycins / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D013845:Thienamycins