1. Medicinal Chemistry Research Center; Korea Research Institute of Chemical Technology; 141 Gajeong-ro Daejeon 34114 Republic of Korea
2. Department of Chemistry; Sungkyunkwan University; 2066 Seobu-ro Suwon 16419 Republic of Korea
3. Department of Medicinal and Pharmaceutical Chemistry; University of Science & Technology; 217 Gajeong-ro Daejeon 34113 Republic of Korea