64-17-5
乙醇
→
39716-30-8
ethyl 2-(2-oxocycloheptyl)acetate
502-42-1
环庚酮
52784-32-4
2-氧代-1-环庚烷甲酸甲酯
4478-65-3
4,5,6,7,8,8a-hexahydrocyclohepta[b]furan-2-one