Schröder R, Nowak P, Jørgensen K. "Method for the Synthesis of 3-{4-[(E)-2-Chloro-but-2-en-(E)-ylidene]-5-methyl-ene-4,5-dihydro-1H-imidazol-2-yl}-propionic acid" [P]. European Patent, EP 3686360 A1, 2022-10-01.
发明人马晓峰,罗永刚,唐晓军. "A Process for Preparing High-Purity 3-{4-[(E)-2-Chloro-but-2-en-(E)-ylidene]-5-methyl-ene-4,5-dihydro-1H-imidazol-2-yl}-propionic acid" [P]. 中国发明专利, 专利号 CN 115686221 B, 授权公告日 2018-03-27.
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