Ye Qing-Hua, Zhao Wei-Min, Qin Guo-Wei
Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
Nat Prod Res. 2003 Jun;17(3):201-5. doi: 10.1080/1057563021000040817.
Two new fluorenone derivatives denchrysans A (1) and B (2) and one new phenanthrenediglycoside denchryside A (3) were isolated from the herbs of Dendrobium chrysanthum (Orchidaceae). Their structures were established on the basis of spectral evidence.