发明人郭海燕,赵玉洁,王建平. "Method for the Synthesis of 3-Hydroxy-N'-(2-hydroxybenzylidene)-2-naphthohydrazide" [P]. 中国发明专利, 专利号 CN 108352926 A, 授权公告日 2019-04-13.
发明人冯建国,韩伟,郭海燕. "A Process for Preparing High-Purity 3-Hydroxy-N'-(2-hydroxybenzylidene)-2-naphthohydrazide" [P]. 中国发明专利, 专利号 CN 108796336 A, 授权公告日 2018-01-28.
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