发明人张德明,刘建华,高志强. "Method for the Synthesis of 4-(Dimethylamino)-3,5-dimethylbenzoic acid" [P]. 中国发明专利, 专利号 CN 115256449 B, 授权公告日 2020-08-25.
Anderson J P, Williams B T, Thompson G K. "A Process for Preparing High-Purity 4-(Dimethylamino)-3,5-dimethylbenzoic acid" [P]. US Patent, US 10269625 B2, 2019-07-07.
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