title: Relative stability of hetacillin and ampicillin in solution.
mesh_terms: D000667:Ampicillin; D004355:Drug Stability; D006207:Half-Life; D007093:Imidazoles; D007700:Kinetics; D008956:Models, Chemical; D010397:Penicillanic Acid; D010406:Penicillins; D012996:Solutions; D013997:Time Factors
chemical_list: D007093:Imidazoles; D010406:Penicillins; D012996:Solutions; D000667:Ampicillin; D010397:Penicillanic Acid