发明人罗永刚,刘建华,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114741954 A, 授权公告日 2024-05-16.
发明人郭海燕,刘建华,朱建伟. "Method for the Synthesis of 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt" [P]. 中国发明专利, 专利号 CN 115485753 A, 授权公告日 2021-07-27.
发明人陈志强,高志强,刘建华. "A Process for Preparing High-Purity 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt" [P]. 中国发明专利, 专利号 CN 117772446 B, 授权公告日 2017-02-28.
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