Discovery of a novel pharmacological and structural class of gamma secretase modulators derived from the extract of Actaea racemosa - Findeis, M A; Schroeder, F; McKee, T D; Yager, D; Fraering, P C; Creaser, S P; Austin, W F; Clardy, J; Wang, R; Selkoe, D; Eckman, C B (ACS Chem Neurosci, 2012)