The present invention relates to a novel diaryl 1,2,4-triazole derivative of the following formula (1) as a highly selective cyclooxygenase-2 inhibitor, wherein R
1
, R
2
, R
3
, R
4
, R
5
, W and A is as defined in this specification.
本发明涉及一种新颖的二芳基
1,2,4-三唑衍
生物,其
化学式(1)如下,作为高度选择性环氧合酶-2
抑制剂,其中R1、R2、R3、R4、R5、W和A如本说明书所定义。