Patent ID: 8173693

Claim:
A benzenesulfonamide derivative, represented by the following formula (I): wherein, R 1 is H, or C 1-6 alkyl; R 2 is H, and R 3 is or R 2 and R 3 bond together to form D is R 4 is H, or nitro; X, Y, and each R 5 are each independently C 1-6 alkyl; each R 6 is independently H, halogen, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkyl substituted with halogen, C 1-6 alkoxy substituted with halogen, nitro, —NR 8 R 9 , or —SO 2 NR 10 R 11 ; R 7 is H, or halogen; R 8 , R 9 , R 10 , and R 11 are each independently H, or C 1-6 alkyl; and is 0, 1, or 2; and n is 0, 1, 2, or 3.