Patent ID: 7297695

Claim:
A compound of the formula wherein X is —NR 3 —; R 2 is aryl or substituted aryl, heteroaryl or substituted heteroaryl, R 3 , R 4 R 5 are independently hydrogen, alkyl or substituted alkyl; R 6 , R 6a and R 6b are independently selected from the group consisting of one or more hydrogen, halogen, alkyl, alkoxy, aryloxy, —CN, —NH 2 , —OH, —COOH, —CH 2 OR 5 , —CONHSO 2 R 5 , —CONR 4 R 5 , —NHalkyl, —NHCOalkyl, —NR 4 SO 2 alkyl, —NR 4 SO 2 NR 4 R 5 , —OCONR 4 R 5 , —CF 3 and —OCF 3 , two of which may be attached to the same ring carbon atom provided that the resultant compound is chemically stable; or a pharmaceutically acceptable salt or stereoisomer thereof.