文章信息:Lei Mei, Kang Liu, Si Wu, Xiang-he Kong, Kong-qiu Hu,Ji-pan Yu, Chang-Ming Nie, Zhi-fang Chai, and Wei-qun Shi*. Metal-Carboxyl Helical Chain Secondary Units Supported Ion-Exchangeable Anionic Uranyl-Organic Framework. Chem. Eur. J. 2019, accepted. (The first two authors contributed equally to this work)