Patent ID: 9370569
Filing Date: 2016-06-21
CPC Classification: A61K,A61P,C07H

Claim Text:
1. A compound of Formula I wherein: Y is H or P(═X)(R′)(R); each R or R R R or R or R X is O or S; Base is uracil, cytosine, guanine, adenine, thymine, or heterocycloalkyl, each of which may optionally be substituted with one or more hydroxy, lower alkyl, lower alkoxy, halo, nitro or cyano; with the proviso that if R with the proviso that Formula I is not ((2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-2-(difluoromethyl)-4-fluoro-3-hydroxytetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate; or a pharmacologically acceptable salt thereof.