1,3-dimethyl-8-(phenoxymethyl)-7H-purine-2,6-dione

N-[4-[(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)methyl]phenyl]acetamide

1,3-dimethyl-8-pentan-3-yl-7H-purine-2,6-dione

1,3-dimethyl-8-(naphthalen-1-ylmethyl)-7H-purine-2,6-dione

7-(4-chlorophenyl)-1,3-dimethylpteridine-2,4-dione