共 6 条
[1]
BEYER KH, 1961, Patent No. 1110625
[2]
BLACHER C, 1895, BER, V28, P432
[3]
BREDERECK H, 1959, BER, V92, P837
[4]
Eilingsfeld H, 1960, ANGEW CHEM, V72, P836
[5]
GREENHALGH R, 1938, Patent No. 488036