共 15 条
[1]
Burger A., 1970, MED CHEM, V72, P544
[2]
EICHENBERGER K, 1953, Patent No. 2627766
[3]
GAWELD K, 1966, CHEM BER, V99, P94
[6]
MANHAS MS, 1977, J HETEROCYCLIC CHEM, V16, P371
[9]
SCHMIT P, 1960, Patent No. 1908479