Patrick C. Still, Bitna Yi, Tatiana F. González-Cestari, Li Pan, Ryan E. Pavlovicz, Hee-Byung Chai, Tran Ngoc Ninh, Chenglong Li, Djaja Djendoel Soejarto, Dennis B. McKay, A. Douglas Kinghorn
J Nat Prod.
Author manuscript; available in PMC 2014 Feb 22.Published in final edited form as: J Nat Prod. 2013 Feb 22; 76(2): 243–249. Published online 2013 Jan 17. doi: 10.1021/np3007414