| abstract |
The invention provides a compound of molecular formula (I): Wherein: R 1 is a group selected from -CH 2 OH, -NHCOH, and R 2 is a hydrogen atom; or R 1 together with R 2 forms a group -NHC(O)CH=CH-, wherein the nitrogen atom is bound to a carbon atom in the benzene ring with R 1 , and the carbon atom is bound to a carbon atom in the benzene ring with R 2 ; R 3a and R 3b are independently selected from a hydrogen atom and a C 1-4 alkane In the group consisting of radical groups; n is an integer selected from 0-6; R is selected from optionally substituted monocyclic or polycyclic C 3-10 cycloalkyl groups, optionally substituted by In the group consisting of a substituted monocyclic C 5-10 aryl group and a methyl group, the methyl group is selected from the group consisting of one or more C 5-10 aryl and C 5-10 aryloxy Substituents of radical groups, wherein, monocyclic or polycyclic C 3-10 cycloalkyl and monocyclic C 5-10 aryl groups are independently selected from one or more halogen atoms , C 1-4 alkyl, C 1-4 alkoxy, C 5-10 aryl and C 5-10 aryloxy substituents optionally substituted, or a pharmaceutically acceptable salt or solvate or its stereoisomers. |