1. 1) The Ministry of Health, Labour and Welfare, Japan. “The Japanese Pharmacopoeia Seventeenth Edition (2016).”: ‹https://www.mhlw.go.jp/file/06-Seisakujouhou-11120000-Iyakushokuhinkyoku/JP17_REV_1.pdf›, cited 10 March, 2020.
2. 2) The Ministry of Health, Labour and Welfare, Japan. “Supplement I to The Japanese Pharmacopoeia Seventeenth Edition (2017).”: ‹https://www.mhlw.go.jp/content/11120000/000352508.pdf›, cited 10 March, 2020.
3. 3) The Ministry of Health, Labour and Welfare, Japan. “Supplement II to The Japanese Pharmacopoeia Seventeenth Edition (2019).”: ‹https://www.mhlw.go.jp/content/11120000/000597173.pdf›, cited 10 March, 2020.
4. 4) The Ministry of Health, Labour and Welfare, Japan. “The Japanese Pharmacopoeia Seventeenth Edition (2016), General Information, Quantitative Analytical Technique Utilizing Nuclear Magnetic Resonance (NMR) Spectroscopy and its Application to Reagents in the Japanese Pharmacopoeia.”:‹https://www.pmda.go.jp/files/000217666.pdf›, cited 10 March, 2020.
5. 5) Uchiyama N., Hosoe J., Miura T., Sugimoto N., Ishizuki K., Yamada Y., Iwamoto Y., Suematsu T., Komatsu T., Maruyama T., Igarashi Y., Higano T., Shimada N., Goda Y., Yakugaku Zasshi, 140, 1063–1069 (2020).