共 39 条
[34]
SPICER EK, 1967, CHEM COMMUN, P373
[35]
STOUT EI, 1967, TETRAHEDRON LETT, P4481
[36]
VOGEL AI, 1956, PRACTICAL ORGANIC CH, P816
[39]
YANG NC, 1959, J AM CHEM SOC, V81, P135