申请人:Booth John Richard
公开号:US20050075332A1
公开(公告)日:2005-04-07
The present invention provides a compound of the formula (I) and pharmaceutically acceptable salts having useful antiviral activity against viruses of the herpes family. In said formula, X═O, (CH
2
)
m
, S, SO, SO
2
, NH, NR
8
, or a chemical bond; Y═O, (CH
2
)
m
, S, SO, SO
2
, NH, NR
8
; Z=NH, O, NR
8
, S, SO, SO
2
. The remaining substituents are described in the specification.