Ethyl 2-(5-hydroxy-2-methyl-4-nitro-1-imidazolyl)ethylsulfone

Ethyl 2-(6-hydroxy-3-oxo-xanthen-9-yl)benzoate

Ethyl 2-(8-hydroxy-1, 5-dimethylbicyclo(3.2.1)oct-8-yl)acetate

Ethyl 2-(aminothioxomethyl)-1H-pyrrole-1-carboxylate

Ethyl 2-(benzoyl(4-ethoxy-4-oxobutyl)amino)-4-phenyl-3-thiophenecarboxylate

Ethyl 2-(benzoylamino)-4-(3, 4, 5-trimethoxyphenyl)-3-thiophenecarboxylate

Ethyl 2-(benzoylamino)-4-methyl-4H-pyrrolo(3, 2-d)(1, 3)thiazole-5-carboxylate

Ethyl 2-(benzoylamino)furo(2, 3-d)(1, 3)thiazole-5-carboxylate

Ethyl 2-(benzyloxycarbonylamino)-3-sulfamoylpropionate

Ethyl 2-(bromomethyl)-1, 3-dioxolane-2-acetate

Ethyl 2-(chloromethyl)-3-furoate

Ethyl 2-(diethoxyphosphinyl)but-2-enoate

Ethyl 2-(diethoxyphosphoryl)-3-(1-naphthyl)acrylate

Ethyl 2-(diethoxyphosphoryl)-3-(3, 4-dimethoxyphenyl)acrylate

Ethyl 2-(diethoxyphosphoryl)-3-phenylpropanoate

Ethyl 2-(diethylamino)benzoate

Ethyl 2-(dimethoxyphosphoryl)propanoate

Ethyl 2-(dimethylamino)-1-phenylcyclohex-3-ene-1-carboxylate

Ethyl 2-(diphenylmethyleneamino)acetate

Ethyl 2-(ethoxymethylene)-4, 4-difluoro-3-oxobutanoate