@article {16832,
	title = {Benzoin In Heterocyclic Synthesis: Synthesis and Reactions of 4-Cyano-2,3-diphenyl-2H-pyrolo-5-thione},
	journal = {Tetrahedron},
	volume = {47},
	year = {1991},
	pages = {8243},
	author = {F. A. Khalifa and N.A. Ismail and A. H. H. Elghandour and Hussein F. Zohdi}
}
