共 7 条
[2]
HODGKINS JE, 1967, TETRAHEDRON LETT, P1321
[3]
Kametani T., 1967, J PHARM SOC JAPAN, V87, P406
[4]
KAPADIA GJ, 1970, CHEM COMMUN, P856
[7]
ULLMANN, 1903, LIEBIGS ANN CHEM, V327, P116