82102-52-1
[(1,1-dimethyl) γ-methylidene] γ-butyrolactone
→
~94%
210230-80-1
4,5-二氢-6-(1-甲基乙基)-3(2h)-哒嗪酮
41654-04-0
5-甲基-4-氧代-己酸
570416-36-3
6-(1-甲基乙基)-3(2H)-哒嗪酮