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AMINO NICOTINIC AND ISONICOTINIC ACID DERIVATIVES AS DHODH INHIBITORS
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Page/Page column 24, (2008/12/06)
A compound of formula (I) wherein : - one of the groups G1represents a nitrogen atom or a group CRc and the other represents a group CRc; - G2 represents a nitrogen atom or a group CRd; - R1 represents a group selected from hydrogen atoms, halogen atoms, C1-4 alkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and C3-8 cycloalkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups; - R2 represents a group selected from hydrogen atoms, halogen atoms, hydroxyl groups, C1-4 alkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, C1-4 alkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and C3-8 cycloalkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups; - Ra, Rb and Rc independently represent groups selected from hydrogen atoms, halogen atoms, C1-4 alkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and C1-4alkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups; - Rd represents a group selected from hydrogen atoms, halogen atoms, hydroxyl groups, C1-4 alkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and C1-4 alkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and C3-8 cycloalkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups; - one of the groups G3 and G4 is a nitrogen atom and the other is a CH group; - M is a hydrogen atom or an pharmaceutically acceptable cation with the proviso that, when at least one of the groups Ra and Rb represent a hydrogen atom and G2 is a group CRd, then Rd represents a groups selected from C1-4 alkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, C3-8 cycloalkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups; and the pharmaceutically acceptable salts and N-oxides thereof.
