Fitoterapia. 2003 Jul; 74(5): 435-8.

Diterpenoids from Isodon japonica.

Zhang JX, Han QB, Zhao AH, Sun HD.

Chemistry Department, Xinxiang Medical College, Xinxiang, Henan Province 453000, PR China.

A new ent-kaurane diterpenoid maoyecrystal F (1) and its acetonide derivative (2), together with seven known compounds, lasiodonin, maoyerabdosin, odonicin, enmenin, oridonin, beta-sitosterol and daucosterol, were isolated from the leaves of Isodon japonica.