Qian, Xuhong; Huang, Tian-Bao; Wei, Dong-Zhi; Zhu, Dong-Hui; Fan, Ming-Cai; Yao, Wei
Journal of the Chemical Society. Perkin Transactions 2, 2000 , # 4 p. 715 - 718

Fedorov, N. V.; Anisimov, A. V.; Viktorova, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 12 p. 1356 - 1359
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 12 p. 1629 - 1633

Qian, Xuhong; Huang, Tian-Bao; Wei, Dong-Zhi; Zhu, Dong-Hui; Fan, Ming-Cai; Yao, Wei
Journal of the Chemical Society. Perkin Transactions 2, 2000 , # 4 p. 715 - 718

Qian, Xuhong; Huang, Tian-Bao; Wei, Dong-Zhi; Zhu, Dong-Hui; Fan, Ming-Cai; Yao, Wei
Journal of the Chemical Society. Perkin Transactions 2, 2000 , # 4 p. 715 - 718

Fedorov, N. V.; Anisimov, A. V.; Viktorova, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 12 p. 1356 - 1359
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 12 p. 1629 - 1633

Werner
Recueil des Travaux Chimiques des Pays-Bas, 1949 , vol. 68, p. 509,515, 516