9-吖啶羧醛

苯甲酸

苯乙酸

2-[4-(dimethylamino)phenyl]iminopropanedinitrile

(5E)-5-(4-oxo-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one