(R*,R*)-2-(4-(1,2-Diphenylbutyl)phenoxy)-N,N-dimethylethanamine 1-(4-(2-(Dimethylamino)ethoxy)phenyl)-1,2-diphenylbutane 109640-20-2 Dihydrotamoxifen Ethanamine, 2-(4-(1,2-diphenylbutyl)phenoxy)-N,N-dimethyl-, (R*,R*)-