[EN] PYRIDAZINE DERIVATIVES AND THEIR USE AS CYCLOOXYGENASE-2 INHIBITORS<br/>[FR] DÉRIVÉS DE PYRIDAZINE ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE CYCLOOXYGENASE-2
申请人:ABIDA
公开号:WO2021124344A1
公开(公告)日:2021-06-24
The present invention relates to compound of formula I and II, or its pharmaceutically acceptable salt; wherein R is selected from the group consisting of -H, -F, -Cl, -Br, -I, -NO2, -CH3, or -C2H5; R1 is selected from the group consisting of –H, or -CH3; R2 is selected from the group consisting of –H or a group of Formula III; wherein R3 and R4 are selected from the group consisting of –H, -CH3, -C2H5, -F, -Cl, -Br, -I, or -NO2; the dotted line in compound of formula I and II indicates that the ring structure may contain a double bond.
本发明涉及公式I和II的化合物,或其药学上可接受的盐;其中R选自-H、-F、-Cl、-Br、-I、-NO2、-CH3或-C2H5组成的群体;R1选自-H或-CH3组成的群体;R2选自-H或Formula III中的一组;其中R3和R4选自-H、-CH3、-C2H5、-F、-Cl、-Br、-I或-NO2组成的群体;在公式I和II的化合物中,虚线表示环结构可能含有双键。