Hughes D C, Roberts E F, Patel M V. "Method for the Synthesis of (7-Bromo-4-chloro-1-ethyl-1H-imidazo[4,5-c]pyridin-2-yl)hydroxyiminoacetonitrile" [P]. US Patent, US 10639811 B2, 2018-07-23.
发明人徐明华,杨光,黄志刚. "A Process for Preparing High-Purity (7-Bromo-4-chloro-1-ethyl-1H-imidazo[4,5-c]pyridin-2-yl)hydroxyiminoacetonitrile" [P]. 中国发明专利, 专利号 CN 113112075 B, 授权公告日 2025-05-04.
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