The present invention relates to oxygenated esters of 4-substituted-phenylamino benzhydroxamic acid derivatives, pharmaceutical compositions, and methods of use thereof.
本发明涉及氧化酯化的4-取代苯胺基苯基羟肟酸衍生物、药物组合物及其使用方法。
Purine compounds, process for their preparation, intermediates and pharmaceutical compositions
申请人:BEECHAM GROUP PLC
公开号:EP0294069A3
公开(公告)日:1990-08-22
The (S)-isomer of a compound of formula (I), optionally in admixture with up to 45% of the mixture by weight of the corresponding (R)-isomer:
wherein the OH groups in the chain are optionally in the form of O-acyl, phosphate, cyclic acetal or cyclic carbonate derivatives thereof; having antiviral activity, a process for preparation and use as pharmaceuticals.