Patent ID: 6767900
Filing Date: 2004-07-27
Classification: A61K,A61P,C07F

Abstract:
A phosphonate nucleotide compound represented by the following formula (I) or a salt thereof, or a hydrate or solvate thereof: wherein,R1 is a hydroxyl group; each of R2 and R3 is independently a hydrogen atom, a C1-C22 alkyl group, an alkanoyloxymethyl group, an alkanoylthioethyl group, or an ethyl group substituted by one or more halogen atoms; R4 is a hydrogen atom, a C1-C4 alkyl group, a C1-C4 hydroxyalkyl group, or a C1-C4 alkyl group substituted by one or more halogen atoms; and X is CH or a nitrogen atom.