发明人李文辉,周伟,韩伟. "Method for the Synthesis of Hydroxy-PEG6-acid" [P]. 中国发明专利, 专利号 CN 117155514 B, 授权公告日 2023-08-24.
Klinger H, Park J H, Schröder R. "A Process for Preparing High-Purity Hydroxy-PEG6-acid" [P]. US Patent, US 10774041 B2, 2020-08-12.
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