3,4,5-三甲氧基苯甲醛

3,4,5-三甲氧基甲苯

3,5-二甲氧基苯甲醛

methyl 4-formyl-2,6-dimethoxybenzoate

methyl 2-oxo-4-(3,4,5-trimethoxyphenyl)but-3-enoate