Chen K W, Fischer A B, Davis P L. "一种的合成方法" [P]. US Patent, US 9978641 B2, 2018-06-05.
发明人王建平,朱建伟,张德明. "Method for the Synthesis of Rel-(2R,2'R)-2,2'-(ethane-1,2-diylbis(azanediyl))bis(butan-1-ol) dihydrochloride" [P]. 中国发明专利, 专利号 CN 114987516 B, 授权公告日 2016-10-25.
发明人罗永刚,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity Rel-(2R,2'R)-2,2'-(ethane-1,2-diylbis(azanediyl))bis(butan-1-ol) dihydrochloride" [P]. 中国发明专利, 专利号 CN 114983170 B, 授权公告日 2021-12-27.
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