This Invention provides a compound of the Formula:
1
wherein
X is
2
R
1
, R
2
, R
3
and R
4
are described in the specification and a pharmaceutical composition comprising the compound used for inhibiting replication of a herpes virus.
这项发明提供了一个化合物,其
化学式为:1其中X为2,R1、R2、R3和R4如规范中描述,并提供了一种制剂,用于抑制单纯疱疹病毒的复制。