1. School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
2. School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
3. College of Chemistry Zhengzhou University Zhengzhou Henan 450001 China