1-((4aR,6R,7R,7aS)-2,2-Di-tert-butyl-7-hydroxytetrahydro-4H-furo[3,2-d][1,3,2]dioxasilin-6-yl)pyrimidine-2,4(1H,3H)-dione

1-((4aR,6R,7R,7aS)-2,2-Di-tert-butyl-7-hydroxytetrahydro-4H-furo[3,2-d][1,3,2]dioxasilin-6-yl)pyrimidine-2,4(1H,3H)-dione