ethyl 2-cyano-3-(3,4,5-trimethoxyphenyl)prop-2-enoate

ethyl 2,4-dicyano-2-methylbutanoate

ethyl (E)-2-cyano-3-[4-[(Z)-(4-oxo-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenyl]prop-2-enoate

ethyl (E)-3-(4-tert-butylphenyl)-2-cyanoprop-2-enoate

ethyl 5-amino-3-phenyl-1,2-oxazole-4-carboxylate