methyl-甲基-methyln.甲基；木精methyl nonanoate壬酸甲酯methyl mannoside甲基甘露糖苷methyloctylamine2-甲基辛胺methyl-cyaniden.甲基氰methyl sulfoxide甲基亚砜methyl glucoside甲基苷,甲基葡糖苷methyl palmitate棕榈酸甲酯methyl acetylene丙炔methyldioxatrine甲苄哌苯哌酮(抗胆碱药)methylene halide二卤甲烷