Sycheva,T.P. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1966 , vol. 2, p. 144 - 148
Khimiya Geterotsiklicheskikh Soedinenii, 1966 , vol. 2, p. 205 - 211

Sycheva,T.P. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1966 , vol. 2, p. 144 - 148
Khimiya Geterotsiklicheskikh Soedinenii, 1966 , vol. 2, p. 205 - 211