10434-50-1 2(5H)-Thiophenone, 3-benzoyl-5-(p-(dimethylamino)benzylidene)-4-hydroxy- 3-Benzoyl-5-(p-(dimethylamino)benzylidene)-2,5-dihydro-4-hydroxy-2-oxothiophen 3-Benzoyl-5-(p-(dimethylamino)benzylidene)-4-hydroxy-2(5H)-thiophenone BRN 1657550