2) J. Kakinuma, H. Sugino, N. Moriya and M. Isono, Abstracts of Papers, Annual Meeting of Agricultural Chemical Society of Japan, Sendai, April, 1972, p. 261.
3) M. Uyeda, S. Yoshida, K. Suzuki and M. Shibata, Agric. Biol. Chem., 40, 1237 (1967).
4) S. Murao, S. Sato and N. Muto, Agric. Biol. Chem., 36, 1737 (1972).
5) S. Murao, K. Oda and S. Omata, Abstracts of Papers, Annual Meeting of Agricultural Chemical Society of Japan, Tokyo, 1969, p. 59.