6641-83-4
Alpha-甲基乙酰丙酸
→
~86%
3740-58-7
3,5-dimethyl-3H-furan-2-one
105075-00-1
~82%
89609-42-7
3-methyl-5-methylideneoxolan-2-one
~79%
24642-00-0
ethyl 2-methylpenta-2,3-dienoate
~43%
5584-69-0
2-甲基-2-戊烯-4-内酯
+
15301-37-8
2-乙酰基-2-丁酸乙酯