1. V. N. Nesterov, A. M. Shestopalov, V. E. Shklover, Yu. A. Sharanin, I. A. Aitov, Yu. T. Stnchkov, and V. P. Litvinov,Izv. Akad. Nauk SSSR, Ser. Khim., 1991, 690 [Bull. Acad. Sci. USSR, Div. Chem. Sci., 1991,40, 606 (Engl. Transl.)].
2. The Chemistry of the Cyano Group, Ed. Z. Rappoport, Interscience Publ., New York, 1970, 1044.
3. Technical Brochure, Malononitrile, Lonza, Inc., 1973, 28.
4. A. J. Fatiadi,Synthesis, 1978, 165.
5. F. Fillmore,Chem. Rev., 1980,80, 329.