共 5 条
[1]
ELDERFILD R, 1965, GETEROTSIKLICHESKIE, V7
[2]
IENSEN KA, 1968, ACTA CHEM SCAND, V22, P1
[3]
KATRITZKY A, 1971, PHYSICAL METHODS HET, V3, P260
[5]
RAO VR, 1970, INDIAN J CHEM, V8, P509