Bolotin, B. M.; Zeryukina, L. S.; Safina, R. U.; Egorkin, V. V.; Kuliev, R. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 10 p. 996 - 998
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 10 p. 1335 - 1337

Yoshino, Takamasa; Shibata, Koji; Wada, Hiroshi; Bando, Yoshimasa; Ishikawa, Ken; Takezoe, Hideo; Mori, Takehiko
Chemistry Letters, 2009 , vol. 38, # 3 p. 200 - 201

Bolotin, B. M.; Zeryukina, L. S.; Safina, R. U.; Egorkin, V. V.; Kuliev, R. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 10 p. 996 - 998
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 10 p. 1335 - 1337