Patent ID: 7084154

Claim:
A compound of formula wherein U is chosen from CH, N and CR 5 ; A is chosen from the group consisting of (C 4 to C 6 )alkane; (C 2 to C 6 )fluoroalkane; (C 2 to C 6 )alkene; (C 2 to C 6 )alkyne; (C 2 to C 6 )oxaalkane and (C 2 to C 6 )thiaalkane; Ar 1 is chosen from the group consisting of aryl, heteroaryl, substituted aryl and substituted heteroaryl; R 2 , R 3 and R 5 are independently chosen from —H, loweralkyl, fluoroloweralkyl, halo, loweralkoxy, fluoroloweralkoxy and NO 2 ; and R 1 and R 4 , together with the nitrogen to which they are attached, form a pyridoindole or substituted pyridoindole.