共 16 条
[3]
DUENAS S, 1977, REV SOC QUIM MEX, V78, P3783
[4]
ISHII H, 1977, TETRAHEDRON LETT, P1227, DOI 10.1016/S0040-4039(01)92982-X
[5]
C-13 NMR-SPECTRA OF SOME TETRACYCLIC AND PENTACYCLIC TRITERPENOIDS
[J].
ORGANIC MAGNETIC RESONANCE,
1974, 6 (11)
:603-611
[8]
C-13 NMR-SPECTRA OF SOME PENTACYCLIC TRITERPENOIDS WITH OLEAN-12-ENE AND 18-ALPHA-OLEAN-12-ENE SKELETON
[J].
ORGANIC MAGNETIC RESONANCE,
1978, 11 (04)
:163-166
[9]
SCOTT KN, 1979, CAN J CHEM, V27, P57
[10]
SEO S, 1975, TETRAHEDRON LETT, P7