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Martínez F, Lefèvre J P, Schröder R. "Method for the Synthesis of R-4-Hydroxyphenylglycine ethyl ester hydrochloride" [P]. European Patent, EP 3589437 A1, 2020-04-15.
Schröder R, Williams B T, Anderson J P. "A Process for Preparing High-Purity R-4-Hydroxyphenylglycine ethyl ester hydrochloride" [P]. US Patent, US 10364991 B2, 2023-09-10.
参考文献 Literature
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