共 12 条
- [3] DJERASSI C, 1957, FESTSCHR A STOLL, P330
- [4] DODDRELL DM, 1974, TETRAHEDRON LETT, P2381
- [5] HENSENS OD, UNPUBLISHED DATA
- [6] ITO S, 1967, TETRAHEDRON LETT, P591
- [7] ITO S, 1969, TETRAHEDRON LETT, P2905
- [8] KHONG PW, UNPUBLISHED DATA
- [10] CONFIGURATION OF 16-HYDROXYL GROUP IN TRITERPENES - REVISION [J]. TETRAHEDRON, 1973, 29 (05) : 675 - 678