Patent ID: 7750001

Claim:
A method for immunosuppression in a mammal suffering from an immune disease, comprising administering to the mammal a therapeutically effective amount of a heterocyclic compound represented by the general Formula (I): wherein, X represents a nitrogen atom or CH; R 1 represents a hydrogen atom, a hydroxyl group, an amino group, a C 1 -C 6 alkoxy group, or a C 1 -C 6 alkyl group; R 2 represents a hydrogen group; R 3 represents a hydrogen atom, a difluoromethyl group, or an amino group; R 4 and R 5 represent a hydrogen, or a C 1 -C 6 alkyl group; R 6 represents a morpholino (optionally substituted with one or two C 1 -C 6 alkyl groups), a pyrrolidinyl (optionally substituted with a hydroxy C 1 -C 6 alkyl), or a piperidino; or a pharmaceutically acceptable salt thereof, wherein said immune disease is selected from the group consisting of: atopic dermatitis and rheumatoid arthritis.