发明人孙丽萍,朱建伟,韩伟. "Method for the Synthesis of (2E)-2-{[(4-hydroxy-2-methylphenyl)amino]methylidene}-4,4-dimethyl-3-oxopentanenitrile" [P]. 中国发明专利, 专利号 CN 108436363 A, 授权公告日 2017-05-02.
发明人唐晓军,周伟,赵玉洁. "A Process for Preparing High-Purity (2E)-2-{[(4-hydroxy-2-methylphenyl)amino]methylidene}-4,4-dimethyl-3-oxopentanenitrile" [P]. 中国发明专利, 专利号 CN 116248699 A, 授权公告日 2015-10-02.
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