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Ethyl 2-aminothiazole-5-carboxylate

Ethyl 2-amino-1,3-thiazole-4-carboxylate

Ethyl 2-amino-4-thiazoleacetate

Ethyl 3-amino-4-pyrazolecarboxylate

2-(Ethylamino)propiophenone hydrochloride

Ethyl 2-aminopropanoate hydrochloride

Ethyl 3-aminopropanoate hydrochloride

Ethyl 4-amino-1-piperidinecarboxylate

Ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate

Ethyl 4-aminophenylacetate

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