Ethyl 4-hydroxy-5-oxo-1-(2-phenylethyl)-2,5-dihydro-1H-pyrrole-3-carboxylate

ETHYL 4-METHOXYCARBONYL-1-PIPERIDINEACETATE

Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate

Ethyl 4-oxo-1,4,5,6,7,8-hexahydrocyclohepta[b]pyrrole-3-carboxylate

ETHYL 4-PHENYL-2-({2,2,2-TRICHLORO-1-[(2-METHYLBENZOYL)AMINO]ETHYL}AMINO)-3-THIOPHENECARBOXYLATE

Ethyl 4,4,4-trichloro-2-cyano-2-butenoate

ETHYL 4,7,7-TRIMETHYL-3-OXOBICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLATE

Ethyl 5-[(dimethylamino)methyl]-2-furoate

Ethyl 5-(1,2,3,4-tetrahydronaphthalen-7-yl)-1,3,4-oxadiazole-2-carboxylate

Ethyl 5-(4-chlorophenyl)isoxazole-3-carboxylate

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

ethyl 5-allyl-3-ethyl-4-hydroxy-2-methylbenzoate

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

ETHYL 5-AMINO-4-PHENYL-3-ISOXAZOLECARBOXYLATE

ETHYL 5(6-BR-PIPERONYL)5,8-DIHYDRO-8-OXO-1,3-DIOXOLO(4,5G)QUINOLIN-7-CARBOXYLATE