1. Department of Chemistry
2. Moscow State University
3. Moscow 119991
4. Russia
5. College of Chemistry
6. Henan Key Laboratory of Chemical Biology and Organic Chemistry
7. Key Laboratory of Applied Chemistry of Henan Universities
8. Zhengzhou University
9. Zhengzhou 450052
10. Institute of Carcinogeneis
11. NN Blokhin Russian Cancer Research Center
12. Moscow 115478