共 50 条
[42]
PETINIOT N, 1978, TETRAHEDRON LETT, P1239
[44]
PROTOPOPOVA MN, 1989, RUSS CHEM REV, V578, P667
[48]
SUITO K, 2002, HETEROCYCLES, V2, P235
[49]
YAMAGO S, 1909, CHEM LETT, P1889
[50]
YAN Z, 2002, ADV SYNTH CATAL, V344, P131