Author's Organization:Kunming Institute of Botany, Academia Sinica Department of Chemistry, Honan Medical College Kunming Institute of Botany, Academia Sinica Research Laboratory, Taiho Pharmaceutical Co., Ltd. Research Laboratory, Taiho Pharmaceutical Co., Ltd. Faculty of Pharmaceutical Sciences, The University of Tokushima
A new diterpenoid, rubescensin C, was isolated from the leaves of Rabdosia rubescens (HEMSL.) HARA (Labiatae) and its structure was established from spectral and chemical evidence.