| abstract |
A compound of the formula (I), (I) in which R1, R2, R3, R4, R5, R6, X and Y have the values specified in the description, and its pharmaceutically acceptable salts. A pharmaceutical composition that contains a compound of the formula (I) or its pharmaceutically acceptable salt. The method of obtaining the above-mentioned compound of formula (I) and their pharmaceutically acceptable salts. Compound of formula (I), (I) in which R1, R2, R3, R4, R5, R6, X and Y have the meanings indicated in the description, and its pharmaceutically acceptable salts. A pharmaceutical composition containing a compound of formula (I) or its pharmaceutically acceptable salt. A method of obtaining the above-mentioned compound of formula (I) and its pharmaceutically acceptable salts. |