| 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 R, R, Rand Rindependently represent groups selected from hydrogen atoms, halogen atoms, Calkyl groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and Calkoxy groups which may be optionally substituted by 1, 2 or 3 substituents selected from halogen atoms and hydroxy groups, and pharmaceutically acceptable solvates thereof.(I) |
