Maoecrystal V, cytotoxic diterpenoid with a novel C19 skeleton from Isodon eriocalyx (Dunn.) hara
Organic Letters (2004) - Comments
pubmed: 15524475  doi: 10.1021/ol0481535  issn: 1523-7060  issn: 1523-7052 

Sheng-Hong Li, Jia Wang, Xue-Mei Niu, Yun-Heng Shen, Hong-Jie Zhang, Han-Dong Sun, Ma-Lin Li, Qin-E Tian, Yang Lu, Peng Cao, Qi-Tai Zheng