Arango, Gabriel;Corte, Diego;Cassels, Bruce K.;Cavé, André;Mérienne, Claude
(1986-11-11)
The stem bark of Oxandra ef. major, whieh eontains large amounts of 7,7'-bisdehydroaporphine alkaloids,
has also yielded three eommonplaee steroids, retieuline, four known aporphinoids and the new azafluorenon....