共 7 条
[1]
CAVALLA JF, 1956, J CHEM SOC, P4672
[2]
CROMWELL NH, 1957, HETEROCYCL COMPOUNDS, V6, P534
[3]
ELDERFIELD RC, 1957, HETEROCYCLIC COMP ED, V6, P534
[6]
SPAETH E, 1943, BER, V76, P949
[7]
SPAETH E, 1946, MONATSH CHEM, V76, P77