supported by the National Natural Science Foundation of China(No29572087)awarded to JGYu;partially supported by NIH grant CA17625 awarded to KHLee
Two novel styryllactones,goniodilactone(1) and gonioheptenolactone(2),were isolated from the leaves of Goniothalamus cheliensis Hu.Their structures were determined on the basis of spectroscopic data as well as X-r...