FAIRHURST, ROBIN, ALEC,TAYLOR, ROGER, JOHN,COX, BRIAN
申请号：
HK09104459.7
公开号：
HK1125642B
申请日:
2009.05.15
申请国别(地区):
HK
年份:
2012
代理人:
摘要：
A compound of formula (I) or stereoisomers or pharmaceutically acceptable salts thereof, and their preparation and use as pharmaceuticals wherein R 1 , R 2 and R 3 are as defined herein. The compounds are useful for the treatment of a condition mediated by activation of the adenosine A2A receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions comprising a purine derivative as active ingredient and a process for the preparation of these compounds.
