124186-12-5 2,3-Dihydro-2-methoxy-4-ethoxycarbonyl-3,5-dimethylfuran 3-Furancarboxylic acid, 4,5-dihydro-2,4-dimethyl-5-methoxy-, ethyl ester Ethyl 4,5-dihydro-2,4-dimethyl-5-methoxy-3-furancarboxylate