发明人王建平,沈红梅,冯建国. "Method for the Synthesis of Bismarck Brown R" [P]. 中国发明专利, 专利号 CN 116191553 A, 授权公告日 2021-09-07.
发明人胡光,杨光,韩伟. "A Process for Preparing High-Purity Bismarck Brown R" [P]. 中国发明专利, 专利号 CN 116307161 A, 授权公告日 2022-03-15.
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