methylium[医] 甲基methyln.甲基；木精methyllycaconitinen.甲基牛扁亭methyl acetic acid[化] 丙酸methyl allylphenol[化] 茴香脑methylacrylic acid异丁烯酸methylaromadendrin甲基山奈二氢素, 甲基香橙素methyl amyl ketone甲基戊基甲酮methylated alcohol变性酒精α-methylcyclohexanol甲基环己醇methylnorethindron甲基炔诺酮methyl ethyl ether甲基乙基醚