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发明人赵玉洁,罗永刚,钱学锋. "Method for the Synthesis of 3,3'-(1H,1'H-1lambda4-[2,2'-biimidazole]-1,1-diyl)dipropionic acid" [P]. 中国发明专利, 专利号 CN 109981923 B, 授权公告日 2022-03-27.
发明人冯建国,杨光,沈红梅. "A Process for Preparing High-Purity 3,3'-(1H,1'H-1lambda4-[2,2'-biimidazole]-1,1-diyl)dipropionic acid" [P]. 中国发明专利, 专利号 CN 112009616 B, 授权公告日 2025-02-20.
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