Pyridin-2-yl derivatives as immunomodulating agents

A compound of the Formula (I),

• wherein
• A represents
• wherein the asterisks indicate the bond that is linked to the pyridine group of Formula (I);
• R1 represents methyl, ethyl or methoxy;
• R2 represents hydrogen;
• and R3 represents C2-5-alkyl or C1-4-alkoxy;
• or
• R1 represents C2-5-alkyl or C1-4-alkoxy;
• R2 represents hydrogen;
• and R3 represents methyl or ethyl;
• or
• R1 represents methyl, ethyl, or methoxy;
• R2 represents C3-5-alkyl;
• and R3 represents hydrogen;
• R4 represents hydrogen or methoxy;
• R5 represents hydrogen, C1-3-alkyl, or methoxy;
• R6 represents —CH2—(CH2)n—CONR61R62, hydroxy, hydroxy-C2-4-alkoxy, di-(hydroxy-C1-2-alkyl)-C1-2-alkoxy, 2,3-dihydroxy-propoxy, —OCH2—(CH2)n—NR61R62, —OCH2—CH(OH)—CH2—NR6R6, —OCH2—(CH2)n—NHSO2R63, —OCH2—CH(OH)—CH2—NHSO2R63, —OCH2—(CH2)n—NHCOR64, or —OCH2—CH(OH)—CH2—NHCOR64;
• R61 represents hydrogen, methyl, ethyl, 2-hydroxyethyl, carboxymethyl, 1-(C1-5-alkylcarboxy)methyl, 2-carboxyethyl, 2-(C1-5-alkylcarboxy)ethyl, 2-aminoethyl, or 2-methylamino-ethyl;
• R62 represents hydrogen, or methyl;
• R63 represents C1-3-alkyl, methylamino, ethylamino, or dimethylamino;
• R64 represents hydroxymethyl, 2-hydroxyethyl, aminomethyl, methylaminomethyl, 2-aminoethyl, or 2-methylamino-ethyl;
• n represents the integer 1, or 2;
• and
• R7 represents hydrogen, methyl or chloro;
• or a salt thereof.