1. Institute
of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
2. Department
of Chemistry, University of Yangon, Yangon 11041, Myanmar
3. Faculty
of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
4. Faculty
of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan
5. Graduate
School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan