Royal Society of Chemistry, RSC Advances, 111(5), p. 91640-91644, 2015
DOI: 10.1039/c5ra16551b
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Pertyolides A (1) and B (2), two unprecedented C17-eudesmanolides with extended side chains, and one rare C17-guaianolide, pertyolide C (3), along with 15 known sesquiterpene lactones were isolated from the whole plant of Ainsliaea pertyoides.