发明人沈红梅,冯建国,徐明华. "一种L-苹果酸-1-<SUP>13</SUP>C的合成方法" [P]. 中国发明专利, 专利号 CN 117276924 A, 授权公告日 2018-02-14.
发明人唐晓军,刘建华,周伟. "Method for the Synthesis of L-malic acid-1-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 109607516 A, 授权公告日 2021-12-04.
发明人黄志刚,郭海燕,赵玉洁. "A Process for Preparing High-Purity L-malic acid-1-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 112924075 B, 授权公告日 2021-07-08.
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