发明人何建平,赵玉洁,韩伟. "Method for the Synthesis of 3,5-Diamino-N-(N-benzylcarbamimidoyl)-6-chloropyrazine-2-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 108966853 A, 授权公告日 2020-11-18.
发明人林芳,周伟,李文辉. "A Process for Preparing High-Purity 3,5-Diamino-N-(N-benzylcarbamimidoyl)-6-chloropyrazine-2-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 113890164 B, 授权公告日 2015-03-28.
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