1. 1) Part XII: M. Kihara, K. Ohnishi, S. Vangveravong and S. Kobayashi, Chem. Pharm. Bull., 37, 870 (1989).
2. 2) M. Kihara, J. Itoh, S. Iguchi, Y. Imakura and S. Kobayashi, J. Chem. Res. (S), 1988, 8.
3. 3) Y. Ishida, Y. Sasaki, Y. Kimura and K. Watanabe, J. Pharmacobio-Dyn., 8, 917 (1985).
4. 4) M. Kihara, K. Ohnishi and S. Kobayashi, J. Heterocycl. Chem., 25, 161 (1988).
5. 6) D.K. Phillips, "Handbook of Experimental Pharmacology," Vol. 54/I, L. Szekeres ed., Springer-Verlag, Berlin, Heidelberg, New York, 1980, pp. 1-61.