title: Conversion of hetacillin into cephalexin.
mesh_terms: D002506:Cephalexin / Q000138:chemical synthesis; D002511:Cephalosporins / Q000138:chemical synthesis*; D007093:Imidazoles; D008722:Methods; D010406:Penicillins; D013844:Thiazoles
chemical_list: D002511:Cephalosporins; D007093:Imidazoles; D010406:Penicillins; D013844:Thiazoles; D002506:Cephalexin