methyloic含有羧基的methyln.甲基；木精methyl bromoacetate溴乙酸甲酯methyl ethyl ketone丁酮,甲基乙基酮methyl nonyl ketone甲基壬基甲酮methylcyclohexanone甲基环己酮methylphaeophorbide甲基脱镁叶绿甲酯酸methyl hypoxanthine甲基次黄嘌呤methylacetopyranone脱氢乙酸methyl-boric acid[化] 甲基硼酸methyl prednislolne甲基脱氢皮质(甾)醇methyl pyrocatechol甲基焦儿茶酚,甲基邻苯二酚