共 22 条
[1]
ANDERSON AG, 1966, TETRAHEDRON LETT, P2579
[3]
[Anonymous], 1968, ANGEW CHEM-GER EDIT
[5]
Bergman E. D., 1959, NONBENZENOID AROMATI, P141
[6]
BLOCH R, 1971, J AM CHEM SOC, V93, P3071
[9]
Hafner, 1967, ANGEW CHEM, V79, P414