((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2,3a-trimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2,3a-trimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol,