共 14 条
[1]
BOVEY FA, 1969, NUCL MAGN RESON, P105
[2]
DIEHL P, 1971, NMR BASIC PRINCIPLES, V5, P77
[3]
THE CHEMISTRY OF THE TRITERPENES AND RELATED COMPOUNDS .20. THE STEREOCHEMISTRY OF RING-E OF BETULIN AND RELATED COMPOUNDS
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1953, (OCT)
:3024-3028
[4]
ISHIZUMI K, 1968, CHEM PHARM BULL, V16, P492
[6]
NOUQUIER R, 1973, B SOC CHIM FR, P2973