7,8,15,16-四氧杂二螺(5.2.5.2)十六烷

环己酮

3-(tert-butyl)-7,8,15-trioxadispiro[5.2.5⁹.2⁶]hexadecane

2-phenyl-1,4-dioxa-spiro[4.5]decane

3-phenyl-1,2,5-trioxaspiro[5.5]undecane