(3,4-dimethoxyphenyl)methylidenehydrazine

1-(3,4-二甲氧基苯基)乙醇

(2R,3S)-2,3-trans-3-hydroxy-3',4',7,8-tetramethoxyflavan

4-(diethoxymethyl)-1,2-dimethoxybenzene

1,2-乙二硫醇