发明人王建平,黄志刚,赵玉洁. "Method for the Synthesis of 4,4'-[[2-[[3-(4-Carboxyphenoxy)-2,2-bis[(4-carboxyphenoxy)methyl]propoxy]methyl]-2-[(4-carboxyphenoxy)methyl]-1,3-propanediyl]bis(oxy)]bis[benzoic acid]" [P]. 中国发明专利, 专利号 CN 108455273 B, 授权公告日 2017-05-06.
发明人周伟,陈志强,郭海燕. "A Process for Preparing High-Purity 4,4'-[[2-[[3-(4-Carboxyphenoxy)-2,2-bis[(4-carboxyphenoxy)methyl]propoxy]methyl]-2-[(4-carboxyphenoxy)methyl]-1,3-propanediyl]bis(oxy)]bis[benzoic acid]" [P]. 中国发明专利, 专利号 CN 116682080 B, 授权公告日 2025-09-25.
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