The structure of serratidine

@article{Inubushi1968TheSO,
  title={The structure of serratidine},
  author={Yasuo Inubushi and T. Harayama and M. Akatsu and H. Ishii},
  journal={Chemical Communications (london)},
  year={1968},
  pages={1138-1139}
}
Huperzine A from Huperzia species--an ethnopharmacolgical review.
Three New Hydroxylated Serratidine Alkaloids from Huperzia Serrata