1. College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
2. College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Seoul 06974, Republic of Korea
3. Chemistry Department, Colorado State University, Fort Collins, Colorado 80523, United States
4. Department of Chemistry, Pukyong National University, Busan 48513, Republic of Korea