Hughes D C, Park J H, O'Brien P Q. "Method for the Synthesis of 5-methyl-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid" [P]. US Patent, US 9123889 B2, 2020-04-18.
发明人刘建华,李文辉,徐明华. "A Process for Preparing High-Purity 5-methyl-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109264724 B, 授权公告日 2022-11-07.
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