发明人钱学锋,王建平,周伟. "Method for the Synthesis of 6-Methylhexahydro-1H-pyrido[1,2-a]pyrazin-2(6H)-amine" [P]. 中国发明专利, 专利号 CN 108771066 A, 授权公告日 2020-09-24.
发明人徐明华,刘建华,钱学锋. "A Process for Preparing High-Purity 6-Methylhexahydro-1H-pyrido[1,2-a]pyrazin-2(6H)-amine" [P]. 中国发明专利, 专利号 CN 109099370 B, 授权公告日 2024-02-07.
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