This invention provides pyrido(3,2-d)pyrimidine derivatives represented by the structural formula (I), wherein: R
1
is amino, R
4
is hydrogen, and R
2
and R
3
together provide a specific substitution pattern, pharmaceutical acceptable addition salts, stereochemical isomeric forms, N-oxides, solvates and pro-drugs thereof, are useful in the treatment of hepatitis C.
本发明提供了由结构式(I)表示的
吡啶并[3,2-d]
嘧啶衍
生物,其中:R1是
氨基,R4是氢,R2和R3一起提供特定的取代模式,制药可接受的加盐物,立体
化学异构体形式,N-氧化物,溶剂化物和其前药,适用于治疗丙型肝炎。