共 11 条
- [1] BERGEL, 1944, J CHEM SOC, P415
- [2] COHEN, Patent No. 610859
- [3] COHEN, 1949, CHEM IND, P640
- [6] HILLS, 1933, CHEM IND, V52, P660
- [7] PUETZER, 1945, SCIENCE, V101, P307
- [8] PUETZER, 1945, J AM CHEM SOC, V67, P832
- [9] RAISTRICK, 1943, LANCET, P625