共 29 条
[12]
HUNIG S, 1975, SYNTHESIS-STUTTGART, P391
[16]
KRAUS GA, 1978, TETRAHEDRON LETT, P2263
[17]
KRAUS GA, 1977, SYNTH COMMUN, P515
[18]
LI T, 1981, TETRAHEDRON LETT, P3741