References
- Congress , S. 1987 . Part of this work was presented at the Japan-U. of Pharmaceutical Sciences, December, Honolulu.
- Kobayashi , Y. and Kumadaki , I. 1969 . Tetrahedron Lett. , : 4095 Kobayashi, Y., Kumadaki, I., Sato, S., Hara, N., and Chikami, E., Chem. Pharm. Bull., 1970, 18, 2334.