title: Reaction of 6-aminopenicillanic acid with frequentin.
mesh_terms: D000447:Aldehydes; D001412:Bacillus subtilis / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D066298:In Vitro Techniques; D007659:Ketones; D010406:Penicillins; D012995:Solubility; D013057:Spectrum Analysis
chemical_list: D000447:Aldehydes; D007659:Ketones; D010406:Penicillins