abstract |
A compound of formula I wherein one of R 1 and R 2 is thienyl substituted with halogen and the other of R 1 and R 2 is substituted phenyl, wherein the substituent is a patent As defined in the claims, wherein the phenyl group is at least substituted with a cyano, carboxy or (C 1-4 ) alkyloxycarbonyl group) is an inhibitor of CCR9 activity and therapeutic treatment Useful for. [Chemical 1] |