ethyl 7-imidazol-1-yl-5,6-dihydronaphthalene-2-carboxylate

(4-bromophenyl)iminourea

ethyl 5-amino-2-ethyl-2,3-dihydrofuran-4-carboxylate

ethyl 4-(4-chlorophenyl)but-3-enoate

ethyl 6-oxo-4,5-dihydro-1H-pyridazine-3-carboxylate