共 19 条
[4]
FREEMAN PK, 1967, TETRAHEDRON LETT, P437
[5]
HANACK M, 1965, TETRAHEDRON LETT, P4445
[8]
SARGENT GD, 1968, TETRAHEDRON LETT, P2275
[10]
SAUERS RR, 1964, TETRAHEDRON LETT, P2181