发明人李文辉,何建平,高志强. "Method for the Synthesis of L-Cysteine-13C" [P]. 中国发明专利, 专利号 CN 113906912 A, 授权公告日 2024-08-22.
发明人李文辉,唐晓军,朱建伟. "A Process for Preparing High-Purity L-Cysteine-13C" [P]. 中国发明专利, 专利号 CN 108206624 B, 授权公告日 2017-01-17.
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