共 191 条
[5]
ALSTON PV, 1977, HETEROCYCLES, P1443
[6]
Anh N.T., 1980, TOP CURR CHEM, V88, P145
[7]
ANH NT, 1976, TETRAHEDRON LETT, P155
[8]
ANH NT, 1977, NOUV J CHIM, V1, P61