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Johansson L, Lefèvre J P, Martínez F. "Method for the Synthesis of Ethyl 2-(aminomethyl)-1H-imidazole-4-carboxylate" [P]. European Patent, EP 3472179 A1, 2020-08-12.
Hughes D C, Johnson M A, Davis P L. "A Process for Preparing High-Purity Ethyl 2-(aminomethyl)-1H-imidazole-4-carboxylate" [P]. US Patent, US 11801809 B2, 2024-09-15.
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