5-(2-hydroxyethyl)-2,2-dimethyl-1,3-dioxan-5-ol

5-(3-hydroxyprop-1-ynyl)-2,2-dimethyl-1,3-dioxan-5-ol

5-(3-hydroxyprop-1-enyl)-2,2-dimethyl-1,3-dioxan-5-ol

9-(8,8-dimethyl-1,7,9-trioxaspiro[4.5]decan-3-yl)purin-6-amine

5-ethenyl-2,2-dimethyl-1,3-dioxan-5-ol