发明人韩伟,沈红梅,罗永刚. "Method for the Synthesis of 1-Aminopyrazin-1-ium 2,4,6-trimethylbenzenesulfonate hydrate" [P]. 中国发明专利, 专利号 CN 112410743 B, 授权公告日 2016-06-14.
发明人罗永刚,赵玉洁,马晓峰. "A Process for Preparing High-Purity 1-Aminopyrazin-1-ium 2,4,6-trimethylbenzenesulfonate hydrate" [P]. 中国发明专利, 专利号 CN 115568220 B, 授权公告日 2024-04-28.
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