| abstract |
FIELD: medicine; pharmaceuticals. n SUBSTANCE: invention relates to a compound of formula I: n , n where: R 1 is CH 3 or CD 3 ; R 2 and R 3 each independently represent H or D; R 4 and R 5 each independently represent H or D; provided that R 2 , R 3 , R 4 and R 5 are not all H when R 1 is CH 3 , and where D is deuterium; in free form or salt form. n EFFECT: obtaining novel compounds which can be used for treating diseases involving 5-HT 2A receptor, a serotonin transporter (SERT), and/or pathways, including D 1 /D 2 signal systems of dopamine receptors, and/or treating residual symptoms. n 10 cl, 1 tbl |