Ethyl 4-(4-methylphenoxy)-3-oxobutanoate

ethyl [4-(ethylsulfonyl)-1-piperazinyl]acetate hydrobromide

Ethyl 4-amino-2-chlorobenzoate

ethyl 4-butyl-3-hydroxy-5-methyl-1H-pyrrole-2-carboxylate

ETHYL 4-CHLOROPHENYLCARBAMATE

ethyl 4-hydroxy-3,5-bis(hydroxymethyl)benzoate

ETHYL 4-METHOXYOXANILATE

ethyl 4-morpholinyl(phenyl)acetate hydrochloride

Ethyl 4-oxo-4H-chromene-2-carboxylate

Ethyl 4,4,4-trichloro-2-cyano-2-butenoate

Ethyl 5′-amino-2,3′-bithiophene-4′-carboxylate

ETHYL 5-[7-(2-ETHOXY-1-METHYL-2-OXOETHOXY)-4-OXO-4H-CHROMEN-3-YL]-2-FUROATE

ethyl 5-(4-chlorophenyl)-2H-1,2,6-thiadiazine-3-carboxylate 1,1-dioxide

Ethyl 5-(trifluoromethyl)-1-p-tolyl-1H-pyrazole-4-carboxylate

ETHYL 5-AMINO-1-(3-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBOXYLATE