Alkaloidal constituents of Cephalotaxus wilsoniana HAY. collected in Formosa were examined, and 3-epi-schelhammericine (7), Base VI (8), and 3-epi-wilsonine (11) of homoerythrina alkaloids, and cephalotaxine (2), acetylcephalotaxine (12), isoharringtonine (3), and Alkaloid G(5) of the cephalotaxus alkaloids, were isolated and characterized.
