1-((2R,4S,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((trimethylsilyl)oxy)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

2-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)ethyl (1-((2R,4S,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate