The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
本发明涉及一种新型双
吡啶衍生物,其结构式为(1),以及其药学上可接受的盐、光学异构体和制备方法,作为高度选择性的环氧合酶-2
抑制剂,其中R在本说明书中有定义。