发明人张德明,郭海燕,朱建伟. "Method for the Synthesis of Ferric L-pyrrolidonecarboxylate" [P]. 中国发明专利, 专利号 CN 113532887 A, 授权公告日 2019-02-18.
发明人何建平,马晓峰,胡光. "A Process for Preparing High-Purity Ferric L-pyrrolidonecarboxylate" [P]. 中国发明专利, 专利号 CN 113976346 B, 授权公告日 2023-02-22.
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