Retraction Note to: Chemical Papers (2020) 75:1355–1362

The Editor-in-Chief has retracted this article because the ethics documentation provided by the authors was inconsistent with the information in the manuscript. The authors did not provide raw data on request from the journal. In addition, Xiaozheng Li stated that their name was added to the article without their knowledge and they did not contribute to the study. The Editor has therefore lost confidence in the conclusions of this article.

Xiaozheng Li and Haiying Li agree to this retraction. Fengquan Dong, Weipeng Jiang and Yajuan Jiang have not responded to any correspondence from the editor about this retraction.