ADDITION SALTS OF AMINES CONTAINING HYDROXYL AND/OR CARBOXYLIC GROUPS WITH AMINO NICOTINIC ACID DERIVATIVES AS DHODH INHIBITORS

摘要

The present invention is directed to novel water-soluble pharmaceutically acceptable, crystalline addition salts of (i) an amine containing one or more hydroxyl and/or carboxylic groups with (ii) amino nicotinic acid derivatives of formula (I) wherein Ra, Rb, Rc and Rd 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 C1-4 alkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and pharmaceutically acceptable solvates thereof.