diethyl [2-(1-ethoxyethoxy)ethyl]malonate

2-amino-6-benzyloxy-9-(2'-(2,2-dimethyl-1,3-dioxan-5-yl)-ethyl)-9H-purine

cis-2-amino-6-chloro-9-(2-(2-iso-propyl-1,3-dioxan-5-yl)ethyl)purine

2-(2,2-dimethyl-1,3-dioxan-5-yl)ethanol,4-methylbenzenesulfonic acid

2-[2-(guanin-9-yl)ethyl]malonic acid