(1'S,2'R,4''S)-1-<(2-Amino-4-chloro-6-pyrimidinyl)amino>-2-(2,2-dimethyl-1,3-dioxolan-4-yl)cyclopropane

(1'S,2'R,4''S)-9-<2-(2,2-Dimethyl-1,3-dioxolan-4-yl)cyclopropyl>-6-chloropurine

(1'S,2'R,4''S)-9-<2-(2,2-Dimethyl-1,3-dioxolan-4-yl)cyclopropyl>hypoxanthine

(1S,2R,4'S)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)cyclopropylamine

1-[(1S,2R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-cyclopropyl]-1H-pyrimidine-2,4-dione