| abstract |
FIELD: chemistry. n SUBSTANCE: described is a compound of formula n n n n or its pharmaceutically acceptable salt, where m, p, q, Ar, R 1 and R 2 are as given in the description, as well as a pharmaceutical composition with selective affinity to 5-HT receptors which contains a formula (I) compound. n EFFECT: obtained compounds have selective affinity to 5-HT receptors and can be used, as expected, in treating certain central nervous system disorders. n 21 cl, 1 tbl, 6 ex |