共 12 条
[2]
CHAPMAN O, 1978, CHEM ENG NEWS 0918, P78
[4]
ENGLER T, 1982, UNPUB TETRAHEDRON LE
[6]
GESSNER M, 1977, THESIS OHIO STATE U
[10]
SEKIGUCHI A, 1979, TETRAHEDRON LETT, P4077