Patent ID: 7132542

Claim:
A compound of formula (I) wherein: R and R 1 are independently hydrogen or methyl; R 2 , R 3 , and R 4 are independently hydrogen, halogen, cyano, nitro, or trifluoromethyl, provided R 2 , R 3 , and R 4 are not all hydrogen; R 5 is bromo, chloro, or nitro; R 6 and R 7 are independently hydrogen, C 1-6 alkyl, or C 2-3 NR 8 R 9 ; or NR 6 R 7 taken together forms where X is a bond, O, S, NR 10 , or CHR 11 ; R 8 and R 9 are independently hydrogen or C 1-4 alkyl; R 10 is hydrogen, C (1-4) alkyl, or pyridyl; R 11 is hydrogen, hydroxy, amino, C (1-4) dialkylamino, pyrrolidinyl, piperidinyl, morpholinyl, or thiomorpholinyl; and n is 1, 2, or 3; or a pharmaceutically acceptable salt or solvate thereof.