参考文献:
Pettit, George R. Minardi, Mathew D. Rosenberg, Heidi J. Hamel, Ernest Bibby, Michael C. Martin, Sandie W. Jung, M. Katherine Pettit, Robin K. Cuthbertson, Timothy J. Chapuis, Jean-Charles Journal of Natural Products, 25 , vol. 68, # 1 p. 145 - 1458