4-hydroxy-2-phenyl-1-butene

2-己基-4,7-二氢-1,3-二氧杂卓

2-prop-1-enyl-4,7-dihydro-1,3-dioxepine

4,7-二氢-2-异丙基-1,3-二氧杂卓

2-tert-butyl-4,7-dihydro-1,3-dioxepine