英文别名
4,5-dimethyl-3,6-dihydro-pyran-2,2-dicarboxylic acid;4,5-Dimethyl-3,6-dihydro-pyran-2,2-dicarbonsaeure;3,6-dihydro-4,5-dimethyl-2H-pyran-2,2-dicarboxylic acid;3,4-Dimethyl-5,6-dihydro-1,2-pyran-dicarbonsaeure-(6,6);3,4-dimethyl-2,5-dihydropyran-6,6-dicarboxylic acid