Cablewski, Teresa; Gurr, Paul A.; Raner, Kevin D.; Strauss, Christopher R.
Journal of Organic Chemistry, 1994 , vol. 59, # 19 p. 5814 - 5817

Chen et al.
Yaoxue Xuebao, 1959 , vol. 7, p. 149,152
Chem.Abstr., 1960 , p. 5528