共 7 条
[1]
ELLIS GP, 1959, ADV CARBOHYD CHEM, V14, P63
[4]
HORTON D, 1976, METHODS CARBOHYDR CH, V7, P68
[5]
HUGHES DW, 1981, ALKALOIDS, V18, P217
[7]
WU G, 1978, HETEROCYCLES, V9, P175