发明人杨光,李文辉,胡光. "Method for the Synthesis of (E)-({6-chloro-2-phenylimidazo[1,2-a]pyridin-3-yl}methylidene)amino thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116004884 B, 授权公告日 2016-06-23.
发明人刘建华,冯建国,胡光. "A Process for Preparing High-Purity (E)-({6-chloro-2-phenylimidazo[1,2-a]pyridin-3-yl}methylidene)amino thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111360479 B, 授权公告日 2023-01-05.
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