共 7 条
[1]
FARB IG, 1942, Patent No. 771744
[2]
PETERSEN E, 1949, LIEB ANN, V562, P82
[3]
SIEFKEN W, 1949, LIEBIGS ANN CHEM, V562, P75
[4]
DARSTELLUNGSMETHODEN, V8, P149
[5]
1940, Patent No. 748714
[6]
1945, Patent No. 2480088
[7]
1948, Patent No. 2480089