Showing papers by "Paul Pui-Hay But published in 1997"

TL;DR: The whole plant of Elephantopus scaber afforded the known deoxyelephantopin and isodeoxy-elephantopsin and a new germacranolide sesquiterpene lactone named scabertopin, whose structure and stereo-chemistry were determined by spectroscopic methods and single-crystal X-ray analysis as mentioned in this paper.