Patent ID: 8034802

Claim:
A method of treating a hepatitis C virus infection comprising administering to a patient in need thereof a therapeutically effective amount of a TLR7 ligand or a pharmaceutically acceptable salt thereof, wherein the TLR7 ligand is a compound of formula wherein: R 1 is H, or a substituted or unsubstituted alkyl, alkenyl, or alkynyl, which may be interrupted by one or more 0, S, or N heteroatoms, or a substituted or unsubstituted heteroaryl; and R 3 is H, OH, or SH, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, —O-(alkyl), —O-(aryl), —O-(heteroaryl), —S-(alkyl), —S-(aryl), —S-(heteroaryl), —NH(alkyl), —NH(aryl), —NH(heteroaryl), —NH(R 4 )(alkyl), —NH(R 4 )(aryl), or —NH(R 4 )(heteroaryl), wherein R 4 is a substituted or unsubstituted alkyl.