4-azaindole inhibitors of crac

A compound of Formula (I):

• wherein:
• Ar is phenyl, unsubstituted or substituted with one, two or three substituents independently selected from halogen and alkoxy;
• and
• Ar′ is phenyl, unsubstituted or substituted with one or two substituents independently selected from lower alkyl, haloalkyl, —SO2N(CH3)2, —CN and halogen, or heteroaryl, unsubstituted or substituted with one or two substituents independently selected from lower alkyl, haloalkyl and halogen,
• or a pharmaceutically acceptable salt thereof.