发明人林芳,唐晓军,钱学锋. "Method for the Synthesis of Cl-C6-PEG4-C3-COOH" [P]. 中国发明专利, 专利号 CN 112546354 B, 授权公告日 2025-07-05.
发明人胡光,刘建华,徐明华. "A Process for Preparing High-Purity Cl-C6-PEG4-C3-COOH" [P]. 中国发明专利, 专利号 CN 113477913 A, 授权公告日 2021-09-17.
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