申请人:Hoffmann-La Roche Inc.
公开号:US04551460A1
公开(公告)日:1985-11-05
Pyrido[2,1-b]quinazoline derivatives of the formulas ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as hereinafter set forth, are described. The compounds of formulas I and II are useful as agents for the treatment of allergic conditions as well as for the treatment of vascular disorders involving thrombosis.
本文描述了式子##STR1##中R.sub.1,R.sub.2和R.sub.3的衍生物。 公式I和II的化合物可用作过敏症的治疗剂以及涉及血栓形成的血管障碍的治疗剂。