发明人郭海燕,周伟,赵玉洁. "Method for the Synthesis of Thiol-C9-PEG4-acid" [P]. 中国发明专利, 专利号 CN 112540891 B, 授权公告日 2024-04-10.
发明人黄志刚,杨光,徐明华. "A Process for Preparing High-Purity Thiol-C9-PEG4-acid" [P]. 中国发明专利, 专利号 CN 111798405 A, 授权公告日 2021-11-27.
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