A compound having the following formula: wherein: R 1 represents: • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; • a heterocyclic group; or • SR, R being alkyl, aryl or aralkyl; R 2 represents: • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; or • SR, R being alkyl, aryl or aralkyl; wherein one of R 1 and R 2 is H, and the other one of R 1 and R 2 is different from H; X and Y are either, respectively: • CH and N, or • N and CR 4, or • CH and CR 4, wherein R 4 represents H or a (C 1 -C 4)alkyl; n is 0, 1, or 2; m is 0 or 1; m' is 0 or 1; R 3 represents: • a radical selected from the group consisting of H, (C 1 -C 6)alkyl, (C 2 -C 6)alkenyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, and aryl(C 1 -C 6)alkyl said radical being optionally substituted by at least one group chosen among (C 1 -C 6)alkyl, OH, halogen, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, - C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', - N C R', -N NR'R", -N C 2 R', -N C NR'R", -N S 2 R', -SR, - S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; or • a radical selected from the group consisting of OH, -C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', -N C R', -N NR'R", - N C 2 R', -N C NR'R", -N S 2 R', -SR, -S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; R 5 represents H or OH; and each of R 6 represents independently H or a (C 1 -C 6)alkyl group; a stereoisomer, a solvate or any pharmaceutical salt thereof. R 1 represents: • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; • a heterocyclic group; or • SR, R being alkyl, aryl or aralkyl; • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; • a heterocyclic group; or • SR, R being alkyl, aryl or aralkyl; R 2 represents: • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; or • SR, R being alkyl, aryl or aralkyl; • H; • an aryl(C 1 -C 6)alkyl group; • an aryl group; • a cycloalkyl group; or • SR, R being alkyl, aryl or aralkyl; wherein one of R 1 and R 2 is H, and the other one of R 1 and R 2 is different from H; X and Y are either, respectively: • CH and N, or • N and CR 4, or • CH and CR 4, wherein R 4 represents H or a (C 1 -C 4)alkyl; • CH and N, or • N and CR 4, or • CH and CR 4, n is 0, 1, or 2; m is 0 or 1; m' is 0 or 1; R 3 represents: • a radical selected from the group consisting of H, (C 1 -C 6)alkyl, (C 2 -C 6)alkenyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, and aryl(C 1 -C 6)alkyl said radical being optionally substituted by at least one group chosen among (C 1 -C 6)alkyl, OH, halogen, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, - C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', - N C R', -N NR'R", -N C 2 R', -N C NR'R", -N S 2 R', -SR, - S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; or • a radical selected from the group consisting of OH, -C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', -N C R', -N NR'R", - N C 2 R', -N C NR'R", -N S 2 R', -SR, -S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; • a radical selected from the group consisting of H, (C 1 -C 6)alkyl, (C 2 -C 6)alkenyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, and aryl(C 1 -C 6)alkyl said radical being optionally substituted by at least one group chosen among (C 1 -C 6)alkyl, OH, halogen, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, (C 1 -C 6)alkoxy, - C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', - N C R', -N NR'R", -N C 2 R', -N C NR'R", -N S 2 R', -SR, - S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; or • a radical selected from the group consisting of OH, -C R, -CHOHR, C 2 R, C NRR', -CONHOR, -CONHSO 2 R, -NRR', -N C R', -N NR'R", - N C 2 R', -N C NR'R", -N S 2 R', -SR, -S R, -S 2 R, -S NRR', and -S 2 NRR'; R, R', and R" being independently H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, (C 1 -C 6)alkylcycloalkyl, (C 1 -C 6)alkylaryl, (C 1 -C 6)alkylheterocycloalkyl), or (C 1 -C 6)alkylheteroaryl; R 5 represents H or OH; and each of R 6 represents independently H or a (C 1 -C 6)alkyl group; a stereoisomer, a solvate or any pharmaceutical salt thereof.