共 7 条
- [1] BERNTHSEN, 1876, ANN, V184, P321
- [2] BERNTHSEN, 1878, LIEBIGS ANN CHEM, V192, P1
- [3] COOK, 1949, J CHEM SOC, P3001
- [4] COOK, 1949, J CHEM SOC, P1064
- [5] HITCHINGS GH, 1956, Patent No. 2756228
- [6] Howard J. E. G., 1956, Patent No. [2733260, U.S.2,733,260]
- [7] SKINNER, 1944, CHEM REV, V35, P351