7-(2-iodoethyl)-1,3-dimethylpurine-2,6-dione

2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl acetate

2-[4-[(4-chlorophenyl)methyl]phenoxy]acetic acid

2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl 2-[3-(trifluoromethyl)phenoxy]propanoate