| abstract |
The present invention relates to a compound of formula (I) or a pharmaceutically suitable salt thereof: (I) Wherein, R 1 and R 2 are independently hydrogen, deuterium, aryl, heteroaryl, C 1 -C 8 alkyl, optionally substituted with one or more substituents independently of R 3, wherein R3 is aryl, heteroaryl, fluorine (s), C1-C6 alkyl containing at least one fluorine, C1-C6 alkyl containing at least one deuterium, C1-C6 alkyl containing hydroxy, said aryl and heteroaryl Is optionally substituted with one or more halogen, fluorinated alkoxy, fluorinated alkyl, sulfonyl, one or more deuterium, C1-6 alkyl, C1-6 alkoxy, nitrile, or R3 is C1-6 alkyl optionally substituted with one or more of the following groups: COOR4, OCOR4, CONR5R6, NR5COR6, OR4 R 4 is C 1-10 alkyl optionally substituted with one or more fluorine, deuterium, alkoxy, arylcarboxylate, alkylcarboxylate, R 5 and R 6 can be independently selected from hydrogen, alkyl or together form a 4-8 membered carbon ring; or R1 and R2 optionally form O or N and form a 3-10 membered carbon ring optionally substituted with C1-10 alkyl or aryl, heteroaryl, optionally substituted with R3. |