Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
Abstract:
A new diterpenoid named (-)-8beta-hydroxypimar-15-en-18-oic acid was isolated, along with (-)-kaur-16-en-19-oic acid, 13,14-dihydrooropheic acid and beta-sitosterol, from the bark of Mitrephora tomentosa.