About the Authors

Hairong Ma

Contributed equally to this work with: Hairong Ma, Xin Yang

Affiliation State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology, China Pharmaceutical University, Nanjing, Jiangsu Province, People's Republic of China

Xin Yang

Contributed equally to this work with: Hairong Ma, Xin Yang

Affiliation State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology, China Pharmaceutical University, Nanjing, Jiangsu Province, People's Republic of China

Zhuo Lu

Affiliation State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology, China Pharmaceutical University, Nanjing, Jiangsu Province, People's Republic of China

Nan Liu

Affiliation State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology, China Pharmaceutical University, Nanjing, Jiangsu Province, People's Republic of China

Yijun Chen

yjchen@cpu.edu

Affiliation State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology, China Pharmaceutical University, Nanjing, Jiangsu Province, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC NL. Performed the experiments: HM XY ZL. Analyzed the data: HM XY ZL. Wrote the paper: HM XY YC.