title: Degradation of penicillin G methyl ester with trifluoracetic acid.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004952:Esters; D005463:Fluoroacetates; D008745:Methylation; D010400:Penicillin G
chemical_list: D004952:Esters; D005463:Fluoroacetates; D010400:Penicillin G