1. 1)Paper read before the Annual Meeting of Chemical Research Institute of Nonaqueous Solution, Tohoku University, Nov. 22, 1956.
2. 2) T. Nozoe, S. Seto, and S. Nozoe: Proc. Japan Acad., 32, 472 (1956).
3. 3) T. Nozoe, T. Mukai, M. Kunori., T. Muroi., and K. Matsui: Sci. Rep. Tohoku Univ., First Ser., 35, 242 (1952).
4. 4) K. Takase: To be published.
5. 5) Separate reports on these compounds will be made later.