Patent ID: 8058276

Claim:
The invention relates to compounds of the formula IB, wherein R 1 is H; halo; â€”C 0 -C 7 -alkyl-Oâ€”R 3 ; â€”NR 4 R 5 ; R 2 is substituted aryl; R 3 is H, lower alkyl or phenyl lower alkyl; R 4 and R 5 are independently selected from the group consisting of H; unsubstituted or substituted lower alkyl; lower alkoxy-carbonyl and amino; A is N and X and B are both C(R 7 ), or B is N and X and A are both C(R 7 ); and R 7 is selected from the group consisting of H, halo and unsubstituted or substituted lower alkyl; or a salt thereof.