发明人李文辉,刘建华,唐晓军. "一种D-(+)-苹果酸的合成方法" [P]. 中国发明专利, 专利号 CN 113850574 A, 授权公告日 2021-10-19.
Williams B T, O'Brien P Q, Anderson J P. "Method for the Synthesis of D-(+)-Malic Acid" [P]. US Patent, US 9273781 B2, 2025-03-13.
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