title: Chemical studies of potential relevance to penicillin hypersensitivity: the fate of benzylpenicillenic acid in aqueous buffer solutions.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002712:Chlorides; D002854:Chromatography, Paper; D003460:Crystallization; D004342:Drug Hypersensitivity; D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D007259:Infrared Rays; D013058:Mass Spectrometry; D008628:Mercury; D009904:Optical Rotation; D010397:Penicillanic Acid / Q000138:chemical synthesis; D010400:Penicillin G / Q000138:chemical synthesis; D010406:Penicillins; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D002712:Chlorides; D010406:Penicillins; D010397:Penicillanic Acid; D008628:Mercury; D010400:Penicillin G