abstract |
Disclosed is a medicament for inhibiting the growth of Flaviviridae viruses, particularly hepatitis C virus. A medicament for inhibiting the growth of a flaviviridae virus represented by the following formula. (Wherein Base is a pyrimidine base represented by the specific formula, X is O; R 1 and R 7 are independently H, monophosphate, diphosphate, triphosphate, H-phosphonate, alkyl, alkylsulfonyl. Or arylalkylsulfonyl.) [Selection figure] None |