共 45 条
[1]
BACHELOR FW, 1973, TETRAHEDRON LETT, P3291
[3]
BERNSTEIN J, 1969, Patent No. 3465041
[4]
BOVEY FA, 1969, NUCL MAGN RESON, P134
[5]
BREMBER AR, 1973, J AM CHEM SOC, V95, P2393