1. G. Wittig and P. Raff,Ann. 573, 195 (1951).
2. S. Arnott and S. G. Abrahams,Acta Cryst. 11, 449 (1958).
3. L.-Z. Zou, D.-C. Li, and X.-L. Wang,Acta Chimica Sinica 50, 223 (1992).
4. R. C. Weast,Handbook of Chemistry and Physics, 55th edn., (CRC Press, Cleveland, 1982).
5. J. F. Skinner and R. M. Fuoss,J. Phys. Chem. 68, 1882 (1964).