1. Diterpenoid alkaloids
2. F.-P. Wang and X.-T.Liang, in The Alkaloids: Chemistry and Biology, ed. G. A. Cordell, Elsevier Science, New York, 2002, vol. 59, p. 1
3. F.-P. Wang , Q.-H.Chen and X.-T.Liang, in The Alkaloids: Chemistry and Biology, ed. G. A. Cordell, Elsevier Science, New York, 2009, vol. 67, p. 1
4. F.-P. Wang and Q.-H.Chen, in The Alkaloids: Chemistry and Biology, ed. G. A. Cordell, Elsevier Science, New York, 2010, vol. 69, p. 1
5. P. M. Dewick , Medicinal Natural Products: A Biosynthetic Approach, 3rd edn, John Wiley & Sons, Ltd., 2009