Tarennane and Tarennone, Two Novel Chalcone Constituents from Tarenna attenuata - Yang, Xian-Wen; Wang, Jun-Song; Wang, Yue-Hu; Xiao, Hai-Tao; Hu, Xu-Jia; Mu, Shu-Zhen; Ma, Yan-Lin; Lin, Hua; He, Hong-Ping; Li, Ling; Hao, Xiao-Jiang (Planta Medica, 2007)