| 摘要 |
<p>Compounds of general formula <IMAGE> wherein R represents a phthalimido,cis-1,2-cyclohexanedicarboximido, cis(1,2,3,6)-tetrahydrophthalimido or 1,8-naphtholimido group. The compounds have been found to exhibit anti-amnesic activity. A process for the preparation of the compounds is described and exemplified.</p> |
