131522-30-0
→
~96%
52775-77-6
2,3-dimethyl-5-methylidenecyclopent-2-en-1-one
93766-90-6
~93%
89506-32-1
~87%
201230-82-2
carbon monoxide
87509-70-4
5-iodo-4-methylhexa-1,4-diene
89588-31-8
5-(Diethoxyphosphoryl)-5-(hydroxymethylene)-2,3-dimethylcyclopent-2-en-1-one
50-00-0
甲醛
83663-23-4
5-carboxymethyl-2,3-dimethylcyclopent-2-en-1-one
54562-24-2
2,3,5-三甲基-2-环戊烯酮