View of Reactions of 2-Amino-3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophene and 6-Amino-1,4-dihydro-1,4-diphenyl-5-cyano 3-methylpyrano[2,3-c]pyrazole with Arylidenemalononitriles, α,β-Acetylenic Esters and Ketones | Afinidad. Journal of Chemical Engineering Theoretical and Applied Chemistry