5-(3,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-amine

1-(3,4-二甲氧基苯基)-2-吡咯烷-2-基乙酮

4-(3,4-二甲氧基苯基)-4-氧丁酸

bis(3,4-dihydroxyphenyl)methanone

(3,4-dihydroxyphenyl)-(2,3,4-trihydroxyphenyl)methanone