申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0371388A3
公开(公告)日:1991-01-09
A compound of the formula :
wherein R¹ is hydrogen, halogen, hydroxy, lower alkoxy, lower alkyl or mono(or di or tri)halo(lower)alkyl, and
(in which R² and R³ are each lower alkyl),
and a pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient in admixture with pharmaceutically acceptable carriers. The invention also relates to intermediates of the formula
该化合物的化学式为:
其中R¹为氢、卤素、羟基、较低的烷氧基、较低的烷基或单(或二或三)卤代(较低)烷基,以及
(其中R²和R³各自为较低的烷基),
以及其药学上可接受的盐,其制备方法以及包含它们作为活性成分与药学上可接受的载体混合物的药物组合物。该发明还涉及该化合物的中间体的化学式。