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Ethyl 2-(aminomethyl)thiazole-4-carboxylate

Ethyl 3-(4-amino-2-fluorophenyl)propanoate

Ethyl 4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxylate

Ethyl 4,5,8-trichloroquinoline-3-carboxylate

Ethyl 4,7-dichloroquinoline-3-carboxylate

Ethyl 4-chloro-6,7-dimethylquinoline-3-carboxylate

Ethyl 4-chloro-6-ethoxyquinoline-3-carboxylate

Ethyl 4-chloro-6-ethylquinoline-3-carboxylate

Ethyl 6-bromoimidazo[1,2-a]pyrimidine-2-carboxylic acid

Ethyl 2,2-difluorobutanoate

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