Synthesis of Kaempferol 3-O-[2′′,3′′- and 2′′,4′′-Di-O-(E)-p-coumaroyl]-α-l-rhamnopyranosides - Li, Yan; Yang, Weizhun; Ma, Yuyong; Sun, Jiansong; Shan, Lei; Zhang, Wei-Dong; Yu, Biao (Synlett, 2011)