ethyl 3-[bis(2-hydroxyethyl)amino]-2-cyanoprop-2-enoate

ethyl 7-(difluoromethyl)-5-(4-methylphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

ethyl 3-anilino-2-cyanoprop-2-enoate

ethyl 2-cyano-4-(1-methylpyridin-2-ylidene)but-2-enoate

ethyl 2-cyano-3-(4-methylanilino)prop-2-enoate