Ethyl 4-chloroquinazoline-2-carboxylate

ethyl 4-hydroxy-3-(4-morpholinylmethyl)benzoate hydrochloride

Ethyl 4-isothiocyanatobenzoate

Ethyl 4-methyl-2-(2-pyrazinyl)-thiazole-5-carboxylate

ETHYL 4-NITROPHENYLCARBAMATE

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

Ethyl 4,4-diethoxy-3-oxobutanoate

Ethyl 4,6-dimethyl-2-pyridinylcarbamate

ETHYL 5-[(3-CHLOROANILINO)CARBONYL]-2-(2-FUROYLAMINO)-4-METHYL-3-THIOPHENECARBOXYLATE

ETHYL {[5-({[(ETHOXYCARBONYL)AMINO]CARBOTHIOYL}AMINO)-2-METHYL-1H-BENZIMIDAZOL-6-YL]AMINO}CARBOTHIOYLCARBAMATE

Ethyl 5-(4-chlorophenyl)-1,3,4-oxadiazole-2-carboxylate

ETHYL 5-(DICYANOVINYL-ETHYL-METHYLPYRROLYLMETHYL)-24-DIMETHYL-PYRROLECARBOXYLATE

ETHYL 5-ACETYL-4-METHYL-2-({2,2,2-TRICHLORO-1-[(4-CHLOROBENZOYL)AMINO]ETHYL}AMINO)-3-THIOPHENECARBOXYLATE

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

ETHYL 5-AMINO-4-(4-METHOXYPHENYL)-3-ISOXAZOLECARBOXYLATE