共 5 条
[1]
FREED HV, 1946, J AM CHEM S, V68, P2112
[2]
NEWMAN SM, 1947, J AM CHEM SOC, V69, P718
[3]
NORMAN AG, 1946, BOTAN GAZ, V107, P476
[4]
TAKEDA A., 1957, BER OHARA INST, V11-7, P1