Two New Sesquiterpenes from the Aerial Parts of Pimpinella brachycarpa NAKAI

In continuing research onthis source, two new sesquiterpenes ( 1 and 2) and ten knownterpenes (3-12) were further isolated from the MeOHextracts. The structures were elucidated by means of spectro-scopic methods and chemical evidence. Compound 1 was obtained as a colorless gum, and itsmolecular formula C