2,6-二氯-9-(四氢-2H-吡喃-2-基)-9h-嘌呤

(5-ethyl-2,2-dimethyl-1,3-dioxan-5-yl)methanol

对甲苯磺酸羟乙酯

acetic acid,ethane-1,2-diol,4-methylbenzenesulfonic acid

2-(4-chlorophenyl)-2-(4-nitrophenyl)-1,3-dioxolane