| abstract |
The compounds of formula (I), or its pharmaceutically acceptable salts, or any stereoisomer or mixture thereof, wherein: R 1 is a (C 1 -C 2 ) alkyl radical; R 2 and R 3 are radicals independently selected from the group consisting of F, CI and methyl R 4 is H or OH; A is a birradical selected from the group consisting of —(CH 2 ) n — and —(CH 2 )-phenyl-(CH 2 )—; t is an integer from 0 to 1; and n is an integer from 8 to 15, are useful for the treatment of Alzheimer's disease. |