2-(2-diphenylphosphorylpropyl)-2-phenyl-1,3-dioxolane

1,4-dioxaspiro[4.6]undecan-6-one

1,4-dioxaspiro[4.7]dodecan-6-one

1,4-dioxaspiro[4.11]hexadecan-6-one

2-(2,4-二甲基苄基)-1,3-二氧戊环