Patent ID: 8044098

Claim:
A method of treating or alleviating virus infection in a subject comprising administering to the subject a pharmaceutically effective amount of a pharmaceutical composition consisting essentially of a compound having the structure of Formula (I) below: Wherein, R is hydrogen or C 1-11 alkyl; R 1 , R 2 , R 3 , R 4 , R 5 are independently hydrogen, halogen, hydroxyl, mercapto, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 alkyl-(C═O)—, C 1-6 alkoxycarbonyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-methyl, C 2-6 heterocycloalkyl, C 2-6 heterocycloalkyl-methyl, C 6-10 aryl, C 6-10 aryloxy, C 5-10 heteroaryl, or C 5-10 heteroaryloxy, and at least three of R 1 , R 2 , R 3 , R 4 , and R 5 are hydroxyl; and wherein the virus infection is papilloma virus infection.