申请人:Beecham Group p.l.c.
公开号:US05252575A1
公开(公告)日:1993-10-12
Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sub.1 is hydrogen or hydroxy; and R.sub.2 is C.sub.1-6 alkyl; which are pro-drugs for 9-(3-hydroxyprop-1-oxy)guanine having antiviral activity, a process for their preparation and their use as pharmaceuticals.
式(I)的化合物及其药用盐:##STR1##其中R.sub.1为氢或羟基;R.sub.2为C.sub.1-6烷基;它们是9-(3-羟基丙-1-氧基)鸟嘌呤的前药,具有抗病毒活性,提供它们的制备方法以及它们作为药物的用途。