Patent ID: 6858629

Claim:
A compound of formula (I): where X is N or CH; A represents a group of formula (a) or (b) R 1 represents a hydrogen atom or an —NH 2 , —NR 3 R 4 , —NR 3 CO(C 1 -C 4 )Alk or —NR 3 SO 2 (C 1 -C 4 )Alk group; R 2 represents a hydrogen or halogen atom or a (C 1 -C 4 )Alk, (C 1 -C 4 )alkoxy, —COOH, —COO(C 1 -C 4 )Alk, —CN, —CONR 3 R 4 , —NO 2 , or —NHSO 2 (C 1 -C 4 )Alk group; m and n each represent 0, 1 or 2; R 3 and R 4 each represent a hydrogen atom or a (C 1 -C 4 )Alk group; Y 1 and Y 2 each represent NH or O; or a salt or solvate thereof.