Sigma-Aldrich
ETHYL 4-(2-CHLOROBENZAMIDO)BENZOATE
ETHYL 4-(2,3-DIMETHOXYPHENYL)-2,7,7-TRIMETHYL-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXYLATE
ETHYL 4-(3-(2,5-DIMETHOXYPHENYL)UREIDO)BENZOATE
ethyl 4-(3-oxo-2(3H)-isothiazolyl)benzoate
Ethyl 4-(4-bromophenyl)-2-(4-methoxyphenyl)thiazole-5-carboxylate
Ethyl 4-(4-chlorophenyl)-2-thiazole carboxylate
ETHYL 4-(5-(3-CHLORO-4-METHYLPHENYL)-2-FURYL)-6-METHYL-2-OXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINECARBOXYLATE
ETHYL 4-(METHYLSULFONAMIDO)BENZOATE
Ethyl 4-amino-2-(butylthio)pyrimidine-5-carboxylate
ETHYL 4-BENZAMIDOBENZOATE
ETHYL 4-CHLORO-2-(ETHYLTHIO)-5-PYRIMIDINECARBOXYLATE
Ethyl 4-Chloroquinoline-3-carboxylate
ethyl 4-hydroxy-3,5-bis(hydroxymethyl)benzoate
ETHYL 4-MALEIMIDOBENZOATE
Ethyl 4-methyl-2-(2-thienyl)-thiazole-5-carboxylate