ETHYL 4-(4-TERT-BUTYLPHENYL)-2-({[(2-METHYL-6,7-DIHYDRO-5H-CYCLOPENTA[4,5]THIENO[2,3-D]PYRIMIDIN-4-YL)SULFANYL]ACETYL}AMINO)-3-THIOPHENECARBOXYLATE

Ethyl 4-(benzyloxy)benzoate

ETHYL 4-ACETAMIDO-ALPHA-CYANOCINNAMATE

Ethyl 4-aminotetrahydro-2H-pyran-4-carboxylate

ETHYL 4-CHLORO-2-(4-FLUOROSULFONYLPHENYL)-6-QUINOLINECARBOXYLATE

ETHYL 4-CHLOROPHENYLCARBAMATE

ethyl 4-hydroxy-3-(1-piperidinylmethyl)benzoate hydrochloride

Ethyl 4-isopropyl-1-piperazinecarboxylate

ETHYL 4-METHYL-2-((TRIFLUOROACETYL)AMINO)-1,3-THIAZOLE-5-CARBOXYLATE

ETHYL 4-NITRO-3-PHENYLBUTYRATE

ethyl 4-oxo-3,4-dihydropyrimido[4,5-b]quinoline-2-carboxylate

ETHYL 4,4-BIS(4-HYDROXYPHENYL)VALERATE

ethyl 4,5,6,7-tetrahydro-1H-indole-2-carboxylate

ETHYL 5-{[(3-ALLYL-7-METHYL-4-OXO-3,4,5,6,7,8-HEXAHYDRO[1]BENZOTHIENO[2,3-D]PYRIMIDIN-2-YL)SULFANYL]ACETYL}-2,4-DIMETHYL-1H-PYRROLE-3-CARBOXYLATE

ETHYL 5-[7-(2-ETHOXY-1-METHYL-2-OXOETHOXY)-4-OXO-4H-CHROMEN-3-YL]-2-FUROATE