A class of benzopyran, derivatives is described for use in treating cyclooxygenase-2 mediated disorders. Compounds of particular interest are defined by Formula I' ##STR1## wherein X, A.sup.1, A.sup.2, A.sup.3, A.sup.4, R, R", R.sup.1 and R.sup.2 are as described in the specification.
所描述的苯并
吡喃类衍
生物用于治疗环氧合酶-2介导的疾病。特别感兴趣的化合物由式I'定义,其中X、A.sup.1、A.sup.2、A.sup.3、A.sup.4、R、R"、R.sup.1和R.sup.2如规范中描述。