1 Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, Republic of Korea.
2 Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, and Department of Chemistry, University of Texas at Austin, Austin, TX, USA.
3 Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul, Republic of Korea.
4 School of Biosystem and Biomedical Science, Korea University, Seoul, Republic of Korea.
5 Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, Republic of Korea. chajung@ewha.ac.kr.
6 Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, and Department of Chemistry, University of Texas at Austin, Austin, TX, USA. h.w.liu@mail.utexas.edu.
7 Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, Republic of Korea. joonyoon@ewha.ac.kr.