abstract |
The invention relates to a compound of a general formula (I): (I) wherein Ar1 represents a group consisting of an aromatic ring selected from a group consisting of indole; 1H-indazol, 2H-indazol, 1H-thieno [2,3-c] pyrazole, 1H-pyrazol [3,4-b] pyridine, benzo [b] furan, benzimidazole, benzoxazole, 1,2-bencisoxazole and imidazo [ 1,2-a] pyridine. |