发明授权
US5852192A Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them 失效
环状脲衍生物,含有这些化合物的药物组合物及其制备方法

Cyclic urea derivatives, pharmaceutical compositions containing these
compounds and processes for preparing them
摘要:
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.
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