ETHYL 4-(TERT-BUTOXYCARBONYL)-2-(ETHOXYCARBONYL)-5-METHYL-3-PYRROLEPROPIONATE

Ethyl 4-amino-3-ethoxybenzoate

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

Ethyl 4-chloro-8-methoxyquinoline-3-carboxylate

ethyl 4-formyl-2,5-dimethyl-1-phenyl-1H-pyrrole-3-carboxylate

ETHYL 4-HYDROXYOXANILATE

ethyl 4-methyl-1-(1-piperidinyl)cyclohexanecarboxylate hydrochloride

ETHYL 4-METHYL-5-{[3-(TRIFLUOROMETHYL)ANILINO]CARBONYL}-2-[(3,4,5-TRIMETHOXYBENZOYL)AMINO]-3-THIOPHENECARBOXYLATE

Ethyl 4-oxo-3-(2-pyridinyl)-4H-quinolizine-1-carboxylate

ETHYL 4-SULFO-1-NAPHTHYL CARBONATE

ETHYL 4,5-DIMETHYL-3-ETHYL-2-PYRROLECARBOXYLATE

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

ethyl 5-{4-[2-(ethylsulfanyl)phenyl]-1-piperazinyl}pentylcarbamate hydrochloride

Ethyl 5-(4-(methylthio)phenyl)isoxazole-3-carboxylate

ETHYL 5-(4-METHOXYPHENYL)-2,7-DIMETHYL-3-OXO-2,3-DIHYDRO-5H-[1,3]THIAZOLO[3,2-A]PYRIMIDINE-6-CARBOXYLATE