bis(3,4-dihydroxyphenyl)methanone

1,2-二甲氧基环己烯

4,4,5,5-四甲氧基-2,2-二甲基-1,1-联苯

methyl 3-(3,4-dimethoxyphenyl)prop-2-ynoate

(NZ)-N-[1,2-bis(3,4-dimethoxyphenyl)ethylidene]hydroxylamine