发明人何建平,周伟,胡光. "Method for the Synthesis of 1,1'-(Butane-1,4-diyl)bis(2-amino-1H-imidazol-4(5H)-one)" [P]. 中国发明专利, 专利号 CN 116856492 B, 授权公告日 2024-09-15.
发明人冯建国,沈红梅,孙丽萍. "A Process for Preparing High-Purity 1,1'-(Butane-1,4-diyl)bis(2-amino-1H-imidazol-4(5H)-one)" [P]. 中国发明专利, 专利号 CN 117439898 A, 授权公告日 2025-05-14.
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