共 13 条
[4]
DENNEY DB, 1967, CHEM COMMUN, P1241
[5]
DOMINH T, 1970, J AM CHEM SOC, V92, P1766
[7]
GUNTHER H, 1970, TETRAHEDRON LETT, P5173
[8]
HOFFMANN R, 1970, TETRAHEDRON LETT, P2907