1. Laboratory of Natural Product Chemistry, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki 852-8521, Japan
2. Mimozax Co. Ltd., 4291-1 Miyauchi, Hatsukaichi, Hiroshima 738-0034, Japan
3. Department of Chemical Engineering, Monash University, Wellington Road, Clayton, Victoria 3800, Australia