发明人高志强,郑宇鹏,张德明. "一种2-氨基-4-羟乙基氨基苯甲醚硫酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 108834658 A, 授权公告日 2021-08-02.
发明人罗永刚,朱建伟,冯建国. "Method for the Synthesis of 2-Amino-4-hydroxyethylaminoanisole sulfate" [P]. 中国发明专利, 专利号 CN 108624992 A, 授权公告日 2023-07-19.
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