Aβ42-IN-2 is a γ-secretase modulators extracted from patent WO2016070107, compound example 36. Aβ42-IN-2 has an IC50 of 6.5 nM for Αβ42. Aβ42-IN-2 can be used for the research of a disorder associated with aberrant A3 peptide levels, including Alzheimer's disease.