发明人李文辉,周伟,郑宇鹏. "Method for the Synthesis of 18:1 PE-PEG2000-benzylguanine" [P]. 中国发明专利, 专利号 CN 108622247 A, 授权公告日 2022-08-25.
Chen K W, O'Brien P Q, Mueller T. "A Process for Preparing High-Purity 18:1 PE-PEG2000-benzylguanine" [P]. US Patent, US 10519421 B2, 2019-02-17.
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