Chemical compound having the following general formula: where COR is a secondary or tertiary amide, such that -R is chosen from: • - M; -NH-(CH 2) n - M and -NH-(CH 2) n -C(CH 3)(CH 3)- M, -M being chosen from a) b) c) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - n is an integer comprised between 0 and 6; • -NH-(CH 2) n - W, W being a hydrogen atom, or a -OH group, a -O-(CH 2) n -CH 3 group, or a group chosen from i) ii) iii) iv) v) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 5 is chosen from a -CH 3, -OH, -O-(CH 2) n -CH 3, -(CH 2) n -OH or -COOH group; - n is an integer comprised between 0 and 6; as well as the pharmaceutically acceptable salts of said chemical compound. where COR is a secondary or tertiary amide, such that -R is chosen from: • - M; -NH-(CH 2) n - M and -NH-(CH 2) n -C(CH 3)(CH 3)- M, -M being chosen from a) b) c) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - n is an integer comprised between 0 and 6; • -NH-(CH 2) n - W, W being a hydrogen atom, or a -OH group, a -O-(CH 2) n -CH 3 group, or a group chosen from i) ii) iii) iv) v) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 5 is chosen from a -CH 3, -OH, -O-(CH 2) n -CH 3, -(CH 2) n -OH or -COOH group; - n is an integer comprised between 0 and 6; • - M; -NH-(CH 2) n - M and -NH-(CH 2) n -C(CH 3)(CH 3)- M, -M being chosen from a) b) c) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - n is an integer comprised between 0 and 6; a) b) c) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - n is an integer comprised between 0 and 6; - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - n is an integer comprised between 0 and 6; • -NH-(CH 2) n - W, W being a hydrogen atom, or a -OH group, a -O-(CH 2) n -CH 3 group, or a group chosen from i) ii) iii) iv) v) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 5 is chosen from a -CH 3, -OH, -O-(CH 2) n -CH 3, -(CH 2) n -OH or -COOH group; - n is an integer comprised between 0 and 6; i) ii) iii) iv) v) wherein, - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 5 is chosen from a -CH 3, -OH, -O-(CH 2) n -CH 3, -(CH 2) n -OH or -COOH group; - n is an integer comprised between 0 and 6; - R 1 is chosen from an oxygen atom, a sulfur atom, a >CH 2, >CH-O-(CH 2) n -CH 3, >CH-(CH 2) n -OH, >CH-COOH, >C phenyl or >NH group; - R 3 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 4 is chosen from a hydrogen atom, a C 1 -C 6 alkyl, -OH or C 1 -C 6 -O-alkyl group; - R 5 is chosen from a -CH 3, -OH, -O-(CH 2) n -CH 3, -(CH 2) n -OH or -COOH group; - n is an integer comprised between 0 and 6; as well as the pharmaceutically acceptable salts of said chemical compound.