FITOTERAPIA, vol.72, no.1, pp.1-4, 2001 (SCI-Expanded)
The known ent-kaurene diterpenes 1-9 and a new ent-labdane, ent-6 beta ,8 alpha -dihydroxyl-abda-13(16),14-diene (10), were isolated from the whole plant of Sideritis argyrea. Their structures were elucidated based on one- and two-dimensional NMR techniques and HRMS, (C) 2001 Elsevier Science B.V. All rights reserved.