发明人冯建国,胡光,赵玉洁. "Method for the Synthesis of (5-Amino-2-butylbenzofuran-3-yl)(4-(2-(dibutylamino)propoxy)phenyl)methanone oxalate" [P]. 中国发明专利, 专利号 CN 109370881 B, 授权公告日 2018-12-28.
发明人高志强,沈红梅,韩伟. "A Process for Preparing High-Purity (5-Amino-2-butylbenzofuran-3-yl)(4-(2-(dibutylamino)propoxy)phenyl)methanone oxalate" [P]. 中国发明专利, 专利号 CN 109226081 B, 授权公告日 2022-02-10.
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