5296-49-1
1,1-dichloro-2-ethenyl-2-methylcyclopropane
→
5296-50-4
4,4-dichloro-1-methylcyclopentene
80-71-7
2-羟基-3-甲基-2-环戊烯酮
17024-44-1
1-methyl-6-oxabicyclo[3.1.0]hexan-4-one
2758-18-1
3-甲基-2-环戊烯-1-酮