Khatik, Gopal L.; Kumar, Raj; Chakraborti, Asit K.
Synthesis, 2007 , # 4 p. 541 - 546

Yan, Yunhui; Yang, Xiaojuan; Wu, Liqiang
Phosphorus, Sulfur and Silicon and the Related Elements, 2012 , vol. 187, # 5 p. 573 - 579

Orlov, V. D.; Kolos, N. N.; Ruzhitskaya, N. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 12 p. 1293 - 1297
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 12 p. 1638 - 1642

Xu, Jiaxi; Jin, Sheng; Xing, Qiyi
Phosphorus, Sulfur and Silicon and Related Elements, 1998 , vol. 141, p. 57 - 70

Xu, Jiaxi; Jin, Sheng; Xing, Qiyi
Phosphorus, Sulfur and Silicon and Related Elements, 1998 , vol. 141, p. 57 - 70

Orlov, V. D.; Kolos, N. N.; Ruzhitskaya, N. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 12 p. 1293 - 1297
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 12 p. 1638 - 1642