发明人陈志强,张德明,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109286340 A, 授权公告日 2023-12-08.
发明人赵玉洁,钱学锋,胡光. "Method for the Synthesis of Famotidine Impurity 2" [P]. 中国发明专利, 专利号 CN 117017186 B, 授权公告日 2024-09-10.
发明人高志强,陈志强,郭海燕. "A Process for Preparing High-Purity Famotidine Impurity 2" [P]. 中国发明专利, 专利号 CN 113977877 B, 授权公告日 2021-04-02.
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