发明人罗永刚,郭海燕,钱学锋. "Method for the Synthesis of 1-ethyl-3-methyl-1,4-diazepane dihydrochloride" [P]. 中国发明专利, 专利号 CN 113951735 A, 授权公告日 2025-05-21.
发明人马晓峰,林芳,孙丽萍. "A Process for Preparing High-Purity 1-ethyl-3-methyl-1,4-diazepane dihydrochloride" [P]. 中国发明专利, 专利号 CN 115508514 B, 授权公告日 2022-12-19.
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