| abstract |
USEFUL PHARMACEUTICAL COMPOSITIONS FOR THE TREATMENT OF MEMORY DISORDERS. THESE COMPOSITIONS CONTAIN A COMPOUND CHOSEN FROM THE COMPOUNDS OF FORMULAS I TO IV. (CF DRAWING IN BOPI) IN WHICH R OH, LOWER ALCOXY OR NRR, AND R AND R H OR LOWER ALKYL; X, X, X AND X H OR LOWER ALKYL; Y AND Y H, LOWER ALKYL OR LOWER ALKANOYL; AND Z H OR LOWER ALKYL, AND A DEVICE ALLOWING A CONTINUOUS CONTROLLED RELEASE OF THE COMPOUND. |