ABSTRACT
Kjosen et al., Acta Chem. Scand., 26, 3053 (1972) Buchecker et al., ibid. 28B, 449 (1974)
T. trinervis. TRITERPENOIDS: trevogenins A, B and C.
Betancor et al., Tetrahedron Lett., 1125 (1982)
T. nudiflora. MAYTANSOID ALKALOIDS: dehydrotrewiasine, N-methyltrenudone, treflorine, trenudine, trewiasine.