发明人郑宇鹏,赵玉洁,徐明华. "Method for the Synthesis of N-(Phosphonomethyl)iminodiacetic acid" [P]. 中国发明专利, 专利号 CN 111192536 B, 授权公告日 2024-02-03.
发明人李文辉,林芳,孙丽萍. "A Process for Preparing High-Purity N-(Phosphonomethyl)iminodiacetic acid" [P]. 中国发明专利, 专利号 CN 109365078 B, 授权公告日 2025-08-07.
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