TY - JOUR T1 - Anthraquinones from Knoxia valerianoides JF - Phytochemistry Y1 - 1994 A1 - Zhou, Zhu A1 - Jiang, Shan-Hao A1 - Zhu, Da-Yuan A1 - Lin, Long-Ze A1 - Cordell, Geoffrey A SP - 765–768 VL - 36 ER -