| 3-acetyl-5-benzylidene-4-hydroxy-2(5h)-thiophenon |
| 3-acetyl-4-hydroxy-5-(phenylmethylene)-2(5h)-thiophenon |
| 4-pentadienoic acid, 2-acetyl-3-hydroxy-4-mercapto-5-phenyl- gamma-(thio l |
| actone) |
| 3-acetyl-5-benzylidene-2,5-dihydro-4-hydroxy-2-oxothiophen |
| 3-acetyl-5-benzylidene-4-hydroxy-2(5h)-thiophenone |
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