1-((2R,4S,5R)-5-Hydroxymethyl-3-methylene-4-trityloxy-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione

1-((6aR,8R,9aS)-2,2,4,4-tetraisopropyl-9-methylenetetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-pyrimidine-2,4(1H,3H)-dione