3-[1-(4-phenylphenyl)ethenyl]-1,2,5-trioxaspiro[5.5]undecan-9-one

4-[4-[4-(trifluoromethoxy)phenoxy]piperidin-1-yl]phenol

7,12-二氧杂螺(5,6)十二烷-3-酮

1,6,11,16-tetraoxadispiro[6.2.6¹⁰.2⁷]octadecane

3-[1-(4-chlorophenyl)ethenyl]-1,2,5-trioxaspiro[5.5]undecan-9-one