1. Department of Chemistry; Korea University; Seoul; 136-701; Republic of Korea
2. Duksan Hi-Metal Co., Ltd.; Cheonan City; Chungcheongnam-do; 331-821; Republic of Korea
3. Chemical Kinomics Research Center; Korea Institute of Science and Technology; Seoul; 130-650; Republic of Korea
4. Center for Neuro-medicine; Korea Institute of Science and Technology; Seoul; 130-650; Republic of Korea