| 3-acetyl-5-(p-bromobenzylidene)-4-hydroxy-2(5h)-thiophenon |
| 3-acetyl-5-((4-bromophenyl)methylene)-4-hydroxy-2(5h)-thiophenon |
| 4-pentadienoic acid, 2-acetyl-5-(p-bromophenyl)-3-hydroxy-4-mercapto- gamm |
| a-(thio lactone) |
| 3-acetyl-5-(p-bromobenzylidene)-4-hydroxy-2(5h)-thiophenone |
| 3-acetyl-5-p-bromobenzylidene-2,5-dihydro-4-hydroxy-2-oxothiophen |
