Chukfuransins AâD, Four New Phragmalin Limonoids with Î²-Furan Ring Involved in Skeleton Reconstruction from Chukrasia tabularis. - Hu, Kun; Liu, Jie-Qing; Li, Xiao-nian; Chen, Jian-Chao; Zhang, Wei-Ming; Li, Yan; Li, Liang-qun; Guo, Lin-lin; Ma, Wei-guang; Qiu, Ming-Hua (Organic Letters, 2013)