The present invention, which provides compound shown in formula (I), its pharmaceutically acceptable salt, its solvate or the pharmaceutical composition containing any of which, reduces uric acid, anti-inflammatory purposes and prevention or uric acid or gouty disease the purposes for the treatment of. Purposes especially in the drug that preparation treats or prevents hyperuricemia, gout, gouty inflammation, pain and uric acid nephropathy with what. (R1 is selected from hydrogen or C1-4 alkyl etc., and R2 is selected from C1-10 alkyl etc., and R3 is selected from halogen atom etc.).本發明提供式(I)所示化合物、其藥學上可接受的鹽、其溶劑化物或者含有它們中的任何一種的藥物組合物降低尿酸、抗炎的用途以及預防或治療尿酸性或痛風性疾病的用途。特別是在製備用於治療或預防高尿酸血症、痛風、痛風性炎症、疼痛和尿酸性腎病的藥物中的用途。(R1選自氫或C1‑4烷基等，R2選自C1‑10烷基等，R3選自鹵素原子等)。
