The rotenoids elliptol, 12-deoxo-12alpha-methoxyelliptone, 6-methoxy-6a, 12a-dehydrodeguelin, 6a, 12a-dehydrodeguelin, 6-hydroxy-6a, 12a-dehydrodeguelin, 6-oxo-6a, 12a-dehydrodeguelin, 12a-hydroxyelliptone and the flavanone eriodictyol can be isolated from the twigs of " M . duchesnei ".
