发明人刘建华,罗永刚,李文辉. "Method for the Synthesis of Pyridoxine Impurity 27" [P]. 中国发明专利, 专利号 CN 110675277 B, 授权公告日 2024-12-04.
Chen K W, O'Brien P Q, Patel M V. "A Process for Preparing High-Purity Pyridoxine Impurity 27" [P]. US Patent, US 9534447 B2, 2020-09-06.
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