The invention provides compounds of formula
wherein R
1
, R
2
, R
3
, A and m are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof; together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of microsomal prostaglandin E synthase-1.
本发明提供了式中R1、R2、R3、A和m如规范中所定义的化合物及其光学异构体、外消旋体和互变异构体,以及其药学上可接受的盐;还提供了制备这些化合物的方法、含有它们的药物组合物以及它们在治疗中的使用。这些化合物是微粒体
前列腺素E合酶-1的
抑制剂。