Patent ID: 7332504

Claim:
A compound of formula I Z-R 3 I, or pharmaceutically acceptable salts thereof wherein, Z is R 1 and R 2 are independently selected from the group consisting of hydrogen and alkyl; A and B are independently absent or independently selected from the group consisting of alkenyl, alkoxy, alkoxycarbonyl, alkyl, alkynyl, carboxy, haloalkyl, halogen, hydroxy, and hydroxyalkyl; R 3 is selected from the group consisting of R 4 is selected from the group consisting of hydrogen, alkyl, and halogen; R 5 is selected from the group consisting of hydrogen, alkoxy, alkyl, halogen, nitro, and —NR 10 R 11 wherein R 10 and R 11 are independently selected from the group consisting of hydrogen and lower alkyl; R 6 is selected from the group consisting of hydrogen, alkenyl, alkoxy, alkoxyalkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkyl, alkylcarbonyl, alkylcarbonyloxy, alkylthio, alkynyl, amino, aminoalkyl, aminocarbonyl, aminocarbonylalkyl, aminosulfonyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, formyl, formylalkyl, haloalkoxy, haloalkyl, halogen, hydroxy, hydroxyalkyl, mercapto, mercaptoalkyl, nitro, 5-tetrazolyl, —NR 7 SO 2 R 8 , —C(NR 7 )NR 8 R 9 , —CH 2 C(NR 7 )NR 8 R 9 , —C(NOR 7 )R 8 , —C(NCN)R 7 , —C(NNR 7 R 8 )R 9 , —S(O) 2 OR 7 , and —S(O) 2 R 7 ; and R 7 , R 8 , and R 9 are independently selected from the group consisting of hydrogen and alkyl.