Patent ID: 8563547

Claim:
A compound according to formula (I) or optical isomers, pharmaceutically acceptable salts, hydrates or solvates thereof; wherein, m refers to an integer between 1 and 4, R represents the following groups: a). groups of the following structural formula wherein, R 2 represents aryl methylene, which is unsubstituted or substituted by one to three groups independently selected from the following groups: halogen, halogen-substituted or unsubstituted C 1 -C 6 alkoxy, halogen-substituted or unsubstituted C 3 -C 7 cycloalkylalkoxy, wherein the above-mentioned alkoxy groups are selected from the following alkoxy groups: OCH 3 , OCF 3 , CHF 2 O, CF 3 CH 2 O, iso-PrO, PrO, iso-BuO, cyclo-PrO, BuO, or tert-BuO; b). groups of the following structural formula wherein, n and p represents an integer between 0 and 2 respectively, X refers to O, NH, OCH 2 , CH 2 or chemical bonds, R 3 represents aryl, which is unsubstituted or substituted by one to three groups independently selected from the following groups: halogen, halogen-substituted or unsubstituted C 1 -C 6 alkyl, halogen-substituted or unsubstituted C 1 -C 6 alkoxy, halogen-substituted or unsubstituted C 3 -C 7 cycloalkylalkoxy, halogen-substituted or unsubstituted alkoxy alkoxy, wherein the above-mentioned alkoxy groups are selected from the following alkoxy groups: OCH 3 , OCF 3 , CHF 2 O, CF 3 CH 2 O, MeOCHF 2 CH 2 O, C 2 H 5 OCH 2 CH 2 O, CF 3 CH 2 OCH 2 CH 2 O, iso-PrO, PrO, iso-BuO, cyclo-PrO, BuO, or tert-BuO; or c). groups of the following structural formula wherein, t refers to an integer between 2 and 5, n, p, X and R 3 are described as above.