https://www.selleckchem.com/pr....oducts/santacruzamat
Noteworthy is the fact that long-chained α- and β-methyl substituted fatty acids were detected herein for the first time in the kingdom Plantae.Seven undescribed guaianolide sesquiterpene lactones, millefoliumins A-G, and five known analogues were isolated from the whole plant of Achillea millefolium L. growing in Xinjiang, China. Their structures were elucidated by analysis of spectroscopic data and comparison with literatures. The absolute configurations of millefoliumins A-G were determined by single-crystal X-ray c