申请人:Dr. Karl Thomae GmbH
公开号:US05276049A1
公开(公告)日:1994-01-04
The invention relates to cyclic urea derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined herein, pharmaceutical compositions containing the derivatives and processes for preparing them.
该发明涉及一般式##STR1##的环脲衍生物,其中R.sub.a、R.sub.b、X和Y如本文所定义,包含这些衍生物的药物组合物以及制备它们的过程。