| 3-acetyl-5-(o-chlorobenzylidene)-4-hydroxy-2(5h)-thiophenon |
| 3-acetyl-5-((4-chlorophenyl)methylene)-4-hydroxy-2(5h)-thiophenon |
| 4-pentadienoic acid, 2-acetyl-5-(p-chlorophenyl)-3-hydroxy-4-mercapto- gam |
| 3-acetyl-5-(o-chlorobenzylidene)-4-hydroxy-2(5h)-thiophenone |
| 3-acetyl-5-o-chlorobenzylidene-2,5-dihydro-4-hydroxy-2-oxothiophen |
