ETHYL 4-(2-HYDROXYBENZYLAMINO)BENZOATE

ETHYL 4-(2,4-DICHLOROPHENYL)-2,7,7-TRIMETHYL-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXYLATE

ETHYL 4-(3-(3-ACETYLPHENYL)UREIDO)BENZOATE

ETHYL 4-(3-PHENOXYPROPIONAMIDO)BENZOATE

Ethyl 4-(4-bromophenyl)-2-methylthiazole-5-carboxylate

ETHYL 4-(4-CHLOROPHENYL)-2,7,7-TRIMETHYL-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXYLATE

ETHYL 4-(5-BUTYL-2-THIENYL)-2,7,7-TRIMETHYL-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXYLATE

ethyl 4-(N,N-diethylamino)benzoate

Ethyl 4-amino-2-chlorobenzoate

ETHYL 4-BENZOYL-2-HYDROXY-2-PH-1,7-DIAZABICYCLO(4.1.0)HEPT-5-ENE-5-CARBOXYLATE

Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate

Ethyl 4-cyano-3,4-diphenylbutanoate

Ethyl 4-hydroxy-5-oxo-1-(2-phenylethyl)-2,5-dihydro-1H-pyrrole-3-carboxylate

ETHYL 4-METHOXYCARBONYL-1-PIPERIDINEACETATE

Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate