Chen, Xiuling; Chen, Tieqiao; Zhou, Yongbo; Au, Chak-Tong; Han, Li-Biao; Yin, Shuang-Feng
Organic and Biomolecular Chemistry, 2014 , vol. 12, # 2 p. 247 - 250

Yarosh,O.G. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1969 , p. 2647 - 2649
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1969 , # 12 p. 2818 - 2820

Khuthier, Abdul-Hussain; Sheat, Mohammed A.; Al-Rawi, Jasim M. A.; Salih, Zuhair S.
Journal of Chemical Research, Miniprint, 1987 , # 6 p. 1501 - 1518

Monsanto Chem.Co.
Patent: US2887371 , 1954 ;