发明人李文辉,高志强,郭海燕. "Method for the Synthesis of Phthalic Acid, Bis-Butyl Ester" [P]. 中国发明专利, 专利号 CN 110477275 A, 授权公告日 2021-04-28.
发明人陈志强,冯建国,罗永刚. "A Process for Preparing High-Purity Phthalic Acid, Bis-Butyl Ester" [P]. 中国发明专利, 专利号 CN 108006264 B, 授权公告日 2022-11-06.
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