title: The chemistry of penicillanic acids. II. Some reactions of methyl penicillanate and its 6alpha-bromo- and 6,6-dibromo-derivatives.
mesh_terms: D001965:Bromides; D055598:Chemical Phenomena; D002621:Chemistry; D008745:Methylation; D010397:Penicillanic Acid
chemical_list: D001965:Bromides; D010397:Penicillanic Acid