Patent ID: 7022708

Claim:
A compound of the formula: wherein: R 1 and R 2 each independently is hydrogen, alkyl, aryl, halo, nitro, amino, cyano, alkoxy, hydroxy, aryloxy, alkylthio, arylthio, thiol, carbonylamino, aminocarbonyl, or haloalkyl; R 3 and R 4 each independently is hydrogen, halo, alkyl, aryl, or arylalkyl; R 5 is: n is 0 to 4; R 6 in each independent occurrence is hydrogen, alkyl, alkoxy, or halo; R 7 and R 8 each independently is hydrogen or alkyl; and R 9 is hydrogen, alkyl, or arylalkyl; or an individual isomer, a racemic or non racemic mixture of isomers, a prodrug, or a pharmaceutically acceptable salt or solvate thereof.