Patent ID: 8247396

Claim:
A compound of formula (I) wherein in formula (I) X represents an —NRR′ group and Y represents a group of formula: in which X′ represents an —NRR′ group and Z represents a group of formula -(Alk) n -(A′)-(Alk′) n′ , where n, n′ are the same or different and independently represent 0 or 1, A′ is NR-Alk, Alk and Alk′ are the same or different and independently represent an -alkyl-group, R and R′ are the same or different and independently represent a hydrogen atom or a cycloalkyl or alkyl group, optionally substituted by one or more groups selected from OR, NRR′, Hal, —CN, —CF 3 , S(O) p R, COOR, OCOOR, CONRR′ and NRCOOR′; heteroaryl; R1=R2=R3=R4=R5=R1′=R2′=R3′=R4′=R5′=H, k is 1, p is 0, 1 or 2; as well as the pharmaceutically acceptable stereoisomers or mixtures, tautomeric forms, hydrates, solvates, salts, free forms and esters thereof.