ABSTRACT
Castro et al., Phytochemistry, 24, 2449 (1985)
M. velutina. SESQUITERPENOID: cyclocostunolide.
Tomassini, Gilbert, Phytochemistry, 11, 1177 (1972)
M. excelsa Benth. TRITERPENOID: morolic acid.
Barton, Brooks, J. Chem. Soc., 257 (1951)
M. graminicola Oberm. STEROID: 3-dehydro-16β-hydroxyobovogenin.
