aPhytochemical investigations of the rhizomes of Atractylodes chinensis (DC.) Koidz. resultedin the isolation of four sesquiterpenes (1–4), five polyacetylenes (5–9), oleanolic acid (10),and 5-hydromethyl furaldehyde (11). Among them, seven compounds (3, 5–10) were firstlyisolated from th...