Patent ID: 7153858

Claim:
A compound having the formula wherein R 1 is unsubstituted alkyl or cycloalkyl; or cyclohexylmethyl or cyclohexylphenyl; R 2 and R 3 independently are hydrogen, nitro, lower alkoxy, or —NR 4 R 5 , provided that R 2 and R 3 are not both hydrogen; R 4 and R 5 are independently H, lower alkyl; COR 6 or SO 2 R 6 , where R 6 is lower alkyl or cycloalkyl; Y is NH, N(lower alkyl) or m is 0, 1, 2, 3, 4, 5, or 6; n is 1, 2, 3, 4, 5, or 6; p is 0, 1, 2, 3, or 4; and pharmaceutically acceptable salts thereof.