Patent ID: 7626026

Claim:
A pharmaceutical composition comprising a compound of the general formula I and a pharmaceutically acceptable excipient in which B is CH; Z is NH; the or each R 11 is selected from the group consisting of —OH, C 1-4 alkoxy, C 1-4 alkyl, —NO 2 , —CN, Cl, Br, I, —NHCOR 15 , and COOR 16 ; n is an integer in the range 0 to 4; R 12 is selected from the group consisting of H, —CONH 2 , and —COR 16 ; the or each R 13 is selected from the group consisting of OH and C 1-4 alkoxy; m is 0, 1 or 2; R 15 is C 1-4 alkyl; and R 16 is C 1-4 alkyl.