4-戊酮醛

1-Methyl-2,3,7-trioxabicyclo[2.2.1]heptan

4-(1,2,4-Trioxolan-3-yl)-2-butanon

trans-6-Methoxy-3-methyl-1,2-dioxan-3-ol

trans-5-Hydroperoxy-2-methoxy-2-methyl-tetrahydrofuran