Cytotoxic Activity of Trijugin-Type Limonoids from Cipadessa baccifera - Ning, Jing; Di, Ying-Tong; Wang, Yuan-Yuan; He, Hong-Ping; Fang, Xin; Li, Yan; Li, Shun-Lin; Hao, Xiao-Jiang (Planta Medica, 2010)