共 12 条
[5]
GINSBURG D, 1959, NONBENZENOID AROMATI, pCH5
[6]
KEEHN PM, 1969, THESIS YALE U
[9]
SCHROFF LG, 1973, TETRAHEDRON LETT, P1649
[10]
STAAB HA, 1974, TETRAHEDRON LETT, P4393