发明人赵玉洁,郭海燕,李文辉. "Method for the Synthesis of Chromotropic Acid Disodium Salt" [P]. 中国发明专利, 专利号 CN 110872981 A, 授权公告日 2016-01-22.
Nielsen H, Kowalski A, Nowak P. "A Process for Preparing High-Purity Chromotropic Acid Disodium Salt" [P]. European Patent, EP 3160449 A1, 2024-05-06.
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