5682-79-1
3,5-dibromo-2,6-dimethylhepta-2,5-dien-4-one
→
~83%
1889-99-2
3-bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-en-1-one
504-20-1
2,6-二甲基-2,5-庚二烯-4-酮