2-diazonio-6-(4-hydroxyphenyl)-6-methylhept-2-en-3-olate

1-{2-[2-(2-hydroxyethyl)-[1,3]-dioxan-2-yl]ethyl}-2,6,6-trimethylcyclohex-2-enol

1,3-丙酮二羧酸二乙酯

diethyl 2,2’-(1,3-dioxane-2,2-diyl)diacetate

2,2’-(1,3-dioxane-2,2-diyl)diethanol