10434-41-0 2(5H)-Thiophenone, 3-acetyl-5-(p-chlorobenzylidene)-4-hydroxy- 2,4-Pentadienoic acid, 2-acetyl-5-(o-chlorophenyl)-3-hydroxy-4-mercapto-, gamma-(thio lactone) 3-Acetyl-5-(p-chlorobenzylidene)-4-hydroxy-2(5H)-thiophenone 3-Acetyl-5-chlorobenzylidene-2,5-dihydro-4-hydroxy-2-oxothiophen BRN 1250712