189509-22-6
Ethyl 2-(8-hydroxy-1,4-dioxaspiro[4.5]decan-8-yl)acetate
→
189509-25-9
2-phenyl-1,3-dioxaspiro[5.5]undecan-9-one
4746-97-8
1,4-环己二酮单乙二醇缩酮