The present invention relates to novel compounds that can be employed in the treatment, alleviation or prevention of a group of disorders and abnormalities associated with Tau (Tubulin associated unit) protein aggregates including, but not limited to, Neurofibrillary Tangles (NFTs), such as Alzheimer’s disease (AD).本發明係關於新穎化合物,其可用於治療、改善或預防與Tau (微管蛋白相關單元)蛋白質聚集體(包括,但不限於,神經纖維纏結(NFT))有關的一群病症及異常,例如阿茲海默氏病(Alzheimer’s disease,AD)。