ETHYL 4-CARBOXY-5-FORMYL-3-METHYL-2-PYRROLECARBOXYLATE

ETHYL 2-AMINO-4-(4-BROMOPHENYL)-7,7-DIMETHYL-5-OXO-5,6,7,8-TETRAHYDRO-4H-CHROMENE-3-CARBOXYLATE

Ethyl 2-amino-4-(4-nitrophenyl)thiophene-3-carboxylate

Ethyl 2-amino-5-ethylthiophene-3-carboxylate

ETHYL 2-BROMO-2-ETHYLHEXANOATE

Ethyl 4-hydroxy-5-methylpyrrolo[1,2-f][1,2,4] triazine-6-carboxylate

ETHYL 4-HYDROXYHYDROCINNAMATE

ETHYL 4-METHYL-3-OXIDO-1,2,3-THIADIAZOL-5-YLCARBAMATE

ethyl 4-oxo-4-(5,6,7,8-tetrahydro-2-naphthalenyl)butanoate

ETHYL 4,4-DIMETHYL-2-PENTYNOATE

ETHYL 5-(1-AZEPANYLCARBONYL)-2-[(2-FLUOROBENZOYL)AMINO]-4-METHYL-3-THIOPHENECARBOXYLATE

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

Ethyl 5-(trifluoromethyl)-1-phenyl-1H-pyrazole-4-carboxylate

ethyl 5-methyl-3-(methylamino)-1H-pyrazole-4-carboxylate

Ethyl 5-p-tolylisoxazole-3-carboxylate