The present invention provides a compound of Formula I:
wherein
R is hydrogen or methyl; and
Z is:
or a pharmaceutically acceptable salt thereof, and the use of compounds of Formula I for treating neurodegenerative diseases, such as Alzheimer's disease.
本发明提供了一种化合物,其
化学式为I:其中R为氢或甲基;Z为:或其药用可接受的盐,以及利用化合物I式治疗神经退行性疾病,如阿尔茨海默病。