The separation of the chloroform fraction of the combined alkaloids of G. olivieri according to basicities (pH 6.0 and 4.0) has yielded gentioflavine, gentiananine, and the new base oliveramine, C20H20N2O4. On the basis of its UV, IR, NMR, and mass spectra structure (I) has been put forward as the most probable for it. © 1975 Consultants Bureau, a division of Plenum Publishing Corporation.