发明人冯建国,朱建伟,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116159111 A, 授权公告日 2020-01-22.
发明人张德明,陈志强,林芳. "Method for the Synthesis of 6-Chloro-N-(o-tolyl)pyrazin-2-amine" [P]. 中国发明专利, 专利号 CN 113516449 B, 授权公告日 2020-12-02.
发明人王建平,黄志刚,徐明华. "A Process for Preparing High-Purity 6-Chloro-N-(o-tolyl)pyrazin-2-amine" [P]. 中国发明专利, 专利号 CN 108112547 B, 授权公告日 2020-04-25.
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