Zhungietu,G.I. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1973 , vol. 9, p. 1152 - 1153
Khimiya Geterotsiklicheskikh Soedinenii, 1973 , vol. 9, p. 1271 - 1272

Zhungietu,G.I. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1973 , vol. 9, p. 1152 - 1153
Khimiya Geterotsiklicheskikh Soedinenii, 1973 , vol. 9, p. 1271 - 1272