发明人王建平,郑宇鹏,张德明. "Method for the Synthesis of Tetraethyl(4-aminobutylidenE)bisphosphonate" [P]. 中国发明专利, 专利号 CN 109776105 A, 授权公告日 2019-02-21.
发明人周伟,冯建国,唐晓军. "A Process for Preparing High-Purity Tetraethyl(4-aminobutylidenE)bisphosphonate" [P]. 中国发明专利, 专利号 CN 116063737 A, 授权公告日 2018-12-23.
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