1. 1) K. Morihara, This Journal, 24, 467 (1960).
2. 2) H. Katagiri, N. Mugibayashi and K. Morihara, Inst. Chem. Res. Kyoto Univ., 18, 41 (1949).
3. 3) K. Morihara, This Journal, 20, 243 (1956).
4. 4) K. Morihara, This Journal, 23, 49 (1959).
5. 5) K. Morihara, This Journal, 23, 60 (1959).