发明人周伟,钱学锋,唐晓军. "Method for the Synthesis of Bis-PEG1-NHS ester" [P]. 中国发明专利, 专利号 CN 113810193 A, 授权公告日 2015-02-04.
发明人王建平,孙丽萍,朱建伟. "A Process for Preparing High-Purity Bis-PEG1-NHS ester" [P]. 中国发明专利, 专利号 CN 110269673 A, 授权公告日 2023-04-04.
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