This invention pertains generally to processes, uses, methods and materials utilising xanthylium compounds of formula (II) as further defined herein. These compounds are useful as drugs, for example, in the treatment of tauopathies, such as Alzheimer's disease.
                            本发明一般涉及利用本文进一步定义的式(II)
黄嘌呤化合物的工艺、用途、方法和材料。这些化合物可用作药物,例如用于治疗
牛磺酸病,如阿尔茨海默病。