1. 1) A paper was read before the 13th International Congress of Pure and Applied Chemistry in Stockholm, July 29, 1953.
2. 2) The present series of experiments were financed by the Grant in Aid for Scientific Research from the Ministry of Education.
3. 3) T. Nozoe and S. Katsura: J. Pharm. Soc. Japan, 64, 181 (1944). This paper was read at the Annual Meeting of the Pharmaceutical Society of Japan, Tokyo, April 7, 1940.
4. T. Nozoe: Yakugaku (Science of Drugs), 3, 174 (1949);
5. Sci. Rep. Tohoku Univ. Ser. I, 34, 199 (1950).