Zhou Jing, Wang Jun-Song, Zhang Yao, Wang Peng-Ran, Guo Chao, Kong Ling-Yi
State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
Chem Pharm Bull (Tokyo). 2012;60(8):1067-71. doi: 10.1248/cpb.c12-00163.
One new disesquiterpenoid (1), two new sesquiterpenoids (2, 3), were isolated from the dry flos of Chrysanthemum indicum. The structures were elucidated by spectroscopic analysis, the absolute configurations of 1 and 3, were determined by single X-ray diffraction study.