共 10 条
[2]
GIRGIS NS, 1985, SYNTHESIS-STUTTGART, P547
[3]
JENNINGS EB, 1988, TETRAHEDRON LETT, P3725
[4]
MOORE JA, 1963, TETRAHEDRON LETT, P1277
[6]
SUMMERS WK, 1986, NEW ENGL J MED, V315, P1245