https://www.selleckchem.com/pr....oducts/a-1331852.htm
One new xanthanolide, 4-(2-methybutyryl)-4H-tomentosin (1) was isolated from the whole plant of Carpesium macrocephalum together with nine known sesquiterpenes (2-1, including four eudesmane sesquiterpenes (2, 4, 5, and 1, one guaianolide (3), two xanthanolides (6 and 9) and two carabranolides (7 and 8). Their structures were elucidated on the basis of detailed spectroscopic analyses. All isolates were evaluated for their antifungal activities against the growth, biofilm formation and yeast-hyphal transition in Candida albicans. A