[EN] PYRIDINE DERIVATIVES USEFUL AS CYCLOOXYGENASE INHIBITOR<br/>[FR] DERIVES DE PYRIDINE UTILES EN TANT QU'INHIBITEURS DE CYCLO-OXYGENASE
申请人:FUJISAWA PHARMACEUTICAL CO
公开号:WO2002055502A1
公开(公告)日:2002-07-18
A compound of the formula (I), wherein R1 is hydrogen, halogen, carbymoyl, cyano, formuly, or lower alkyl optionally substituted with halogen, amino or a protected amino; R2 is hydrogen, halogen, cyano or lower alkoxy; R3 is phenyl or pyridyl, each of which is substituted with lower alkoxy; and R4 is lower alkoxy; provided that either R1 or R2 is hydrogen, then the other is other than hydrogen, or its salts, which are useful as a medicament.