共 5 条
[1]
BRITTON, 1945, Patent No. 2387112
[2]
MAGIDSON, 1946, Patent No. 66044
[3]
MARKEES, 1947, HELV CHIM ACTA, V30, P303
[4]
OLIN, 1930, J AM CHEM SOC, V52, P3322
[5]
POSTOVSKII, 1944, J APPLIED CHEM, V17, P15