| 摘要 |
A compound of the formula: <CHEM> wherein Y is a group of the formula: -NHCONHR1, <CHEM> -N = C = O or -NHCN; R is alkanoyl having two or three carbon atoms; R1 is hydrogen, pyridylmethyl, furylmethyl, thenyl, hydroxypyridyl, phenyl, benzyl, or phenyl or benzyl substituted by methyl, chloro, fluoro, methoxy, amino or trifluoromethyl; and X is methyl, methoxy, fluoro, chloro or trifluoromethyl; or a pharmaceutically acceptable acid addition salt thereof when Y is other than -N = C = O. A process for preparing these compounds and pharmaceutical compositions containing them. |
