发明人林芳,杨光,徐明华. "Method for the Synthesis of 4,4′-[[4-(4-Pyridinyl)phenyl]imino]bis[benzoic acid]" [P]. 中国发明专利, 专利号 CN 113788728 B, 授权公告日 2019-09-20.
Johansson L, Martínez F, Kowalski A. "A Process for Preparing High-Purity 4,4′-[[4-(4-Pyridinyl)phenyl]imino]bis[benzoic acid]" [P]. European Patent, EP 3916327 A1, 2023-09-27.
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