Ethyl 1-benzyl-4-phenyl-4-piperidinecarboxylate

Ethyl 1-benzyl-5-hydroxy-1H-1, 2, 3-triazole-4-carboxylate

Ethyl 1-benzylpiperidine-4-carboxylate

Ethyl 1-butylpiperidine-2-carboxylate

Ethyl 1-cyclohexyl-3-methyl-2, 4-dioxo-7-phenyl-1, 3, 4, 5, 6, 7-hexahydro-2H-pyrano(2, 3-d)pyrimidine-6-carboxylate

Ethyl 1-cyclopentene-1-acetate

Ethyl 1-cyclopropyl-6, 7-difluoro-4-oxo-1, 4-dihydroquinoline-3-carboxylate

Ethyl 1-ethyl-1, 4-dihydro-4-oxo-7-(4-pyridyl)quinoline-3-carboxylate

Ethyl 1-ethyl-1, 4-dihydro-7-methyl-4-oxo-1, 8-naphthyridine-3-carboxylate

Ethyl 1-ethyl-2-(2-((3-ethyl-5, 6-dimethyl-3H-benzoselenazol-2-ylidene)methyl)-1-butenyl)naphtho(1, 2-d)thiazolium sulphate

Ethyl 1-ethyl-6, 7, 8-trifluoro-1, 4-dihydro-4-oxoquinoline-3-carboxylate

Ethyl 1-hydroxy-2-quinolin-2-ylacridine-4-carboxylate

Ethyl 1-hydroxy-3, 3, 5-trimethylcyclohexaneacetate

Ethyl 1-hydroxy-4-(hydroxymethyl)-6-phthalazinecarboxylate

Ethyl 1-hydroxycyclododecaneacetate

Ethyl 1-hydroxycyclohexanecarboxylate

Ethyl 1-isopropyl-4-methylspiro(bicyclo(3.1.0)hexane-3, 2'-oxirane)-3'-carboxylate

Ethyl 1-methyl-3-phenylpiperidine-3-carboxylate

Ethyl 1-methyl-4-oxo-5-(3-(trifluoromethyl)phenyl)pyridine-3-carboxylate

Ethyl 1-methyl-alpha-oxo-1H-pyrrole-2-acetate