Viroallosecurinine and ent-Phyllanthidine From the Leaves of Breynia coronata (Euphorbiaceae)

Viroallosecurinine and ent-Phyllanthidine From the Leaves of Breynia coronata (Euphorbiaceae) Cytotoxic Principles of Securinega virosa: Virosecurinine and Viroallosecurinine and Related Derivatives Alkaloids from the Leaves of Phyllanthus discoideus 4-Methoxy-nor-Securinine, a New Alkaloid fromPhyllanthus niruri Studies on the alkaloids of Securinega virosa Pax. et Hoffm.—I 4-Methoxy-nor-Securinine, a New Alkaloid from<i>Phyllanthus niruri</i> Simplexine (14-hydroxy-4-methoxy-13,14-dihydronorsecurinine): An alkaloid from Phyllanthus simplex Niruroidine, a norsecurinine-type alkaloid from Phyllanthus niruroides The Isolation of Hordenine and Norsecurinine from <i>Securinega Virosa</i> (Baill.). The structure of Norsecurinine The Isolation of Hordenine and Norsecurinine from Securinega Virosa (Baill.). The structure of Norsecurinine