Use of 6-hydroxy-2-(4-methoxyphenyl)-3-[4-(2-piperidinoethoxy)-phenoxy]benzo[b]thiophene or 6-hydroxy-2-(4-hydroxyphenyl)-3-[4-(2-piperidinoethoxy)-phenoxy]benzo[b]thiophene for treating Alzheimer's disease
Use of a compound having the structure shown, wherein: R2 is hydroxy or methoxy, or a pharmaceutically acceptable salt (e.g. hydrochloride salt) or pro-drug thereof, in the manufacture of a medicament for treating Alzheimer's disease.