共 10 条
- [1] GILBERT B, 1968, ALKALOIDS, V11, P279
- [2] Goffic F. L., 1973, TETRAHEDRON, V29, P3357
- [4] KAMETANI T, 1974, HETEROCYCLES, V2, P171
- [5] KUTNEY JP, 1975, HETEROCYCLES, V3, P171
- [6] SATO Y, 1958, Chem Pharm Bull (Tokyo), V6, P222
- [7] SCHMUTZ J, 1958, Pharm Acta Helv, V33, P341
- [8] SCHMUTZ J, 1960, HELV CHIM ACTA, V43, P798