Anthraquinone analogues with inhibitory activities against influenza a virus from Polygonatum odoratum. - Pang, Xu; Zhao, Jian-Yuan; Liu, Ning; Chen, Ming-Hua; Zheng, Wei; Zhang, Jie; Chen, Xiao-Juan; Cen, Shan; Yu, Li-Yan; Ma, Bai-Ping (Journal of Asian Natural Products Research, 2021)