10434-44-3 2(5H)-Thiophenone, 3-acetyl-5-((4-chlorophenyl)methylene)-4-hydroxy- (9CI) 2(5H)-Thiophenone, 3-acetyl-5-(o-chlorobenzylidene)-4-hydroxy- 2,4-Pentadienoic acid, 2-acetyl-5-(p-chlorophenyl)-3-hydroxy-4-mercapto-, gamma-(thio lactone) 3-Acetyl-5-(o-chlorobenzylidene)-4-hydroxy-2(5H)-thiophenone 3-Acetyl-5-o-chlorobenzylidene-2,5-dihydro-4-hydroxy-2-oxothiophen BRN 1249779