Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators
申请人:Riker Laboratories, Inc.
公开号:US04981850A1
公开(公告)日:1991-01-01
Substituted 1,2,4-triazolo[1,5-c]pyrimido[1,4]-azines have been found to have potent bronchodilator activity. Also, pharmacological methods for inducing bronchodilation using such compounds, pharmaceutical compositions containing such compounds, and synthetic intermediates, including 1,2,4-triazolo[4,3-c]-pyrimido[1,4]azines, for preparing such compounds.