1. Graduate School of Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
2. Faculty of Advanced Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
3. Medicinal Chemistry Pharmaceuticals, Company Ltd.; N21, W12, Kita-ku Sapporo 001-0021 Japan
4. Department of Organic Chemistry and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine; University of Barcelona; Barcelona 080028 Spain
5. School of Chemistry and Physics; University of KwaZulu-Natal; Durban 4001 South Africa