Sofosbuvir Impurity 57

Chemical Name: (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-4-methyl-2-((phosphonooxy)methyl)tetrahydrofuran-3-yl dihydrogen phosphate

Smile: F[C@]1(C)[C@H](OP(O)(O)=O)[C@@H](COP(O)(O)=O)O[C@H]1N2C(NC(C=C2)=O)=O