共 14 条
[1]
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[2]
BORY S, 1973, TETRAHEDRON LETT, P4155
[3]
Bovey F. A., 1969, NUCLEAR MAGNETIC RES
[5]
DURST T, 1975, TETRAHEDRON LETT, P63
[8]
LETT R, 1973, B SOC CHIM FR II-CH, P2851