Cyclic urea derivatives, pharmaceutical compositions containing these
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.