Abstract: | One new guaianolide, anomalactone A ( 1 ), and one new norcadinane sesquiterpene, anomallenodiol ( 2 ), along with two germacranolides, anomalactones B and C ( 3 and 4 , resp.), were isolated from the aerial part of Artemisia anomala S. Moore . Their structures were determined on the basis of extensive spectroscopic analyses. |