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Abstract

The invention relates to a 1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-amine compound of formula (I) below, addition salts thereof, optical isomers, geometrical isomers and tautomers thereof and/or solvates thereof: in which: .R₂, R₃, R₄, R₅, and R₇ independently represent: a hydrogen or halogen atom; a C₁-C₄ alkyl radical; a C₁-C₄ hydroxyalkyl radical; a carboxyl radical; a (C₁-C₄)alkoxycarbonyl radical; .R1 and R6, which may be identical or different, represent: hydrogen atom; C₁-C₁₀ and preferably Ci-C6 alkyl radical,—optionally interrupted with one or more heteroatoms chosen from O and S or with one or more groups—NR and/or—optionally terminating with at least one group—NX₁X₂ or at least one group —OX₃, .X₁ and X2 independently denote—a hydrogen atom, a linear C₁-C₆ alkyl radical, a branched C₃-C₆ alkyl radical, a linear C₁-C₆ hydroxyalkyl radical or a branched C₃-C₆ hydroxyalkyl radical, X1 and X2 may form, with the nitrogen atom that bears them, a saturated or unsaturated 5- to 8-membered heterocycle, in which one of the ring members may be a heteroatom chosen from O, S and N; the said heterocycle possibly being substituted with one or more linear or branched C₁-C₄ alkyl or C₁-C₄ hydroxyalkyl radicals, .X3 denotes—a hydrogen atom—a linear C1-C4 or branched C3-C4 alkyl radical, and .R denotes—a hydrogen atom—a linear C1-C4 alkyl radical.

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First Claim