REZA KAZEMIZADEH, A. and RAMAZANI, A. 2010. Three-Component Synthesis of Dialkyl 2-(Dicyanomethyl)- 3-(triphenyl-?5)phosphoranylidene)succinates from Triphenylphosphine, Acetylenic Esters and Malononitrile in Solvent-Free Conditions. Asian Journal of Chemistry. 19, 7 (Mar. 2010), 5425–5428.