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发明人李文辉,沈红梅,罗永刚. "Method for the Synthesis of N-Heptyl-6-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112452042 A, 授权公告日 2024-09-02.
O'Brien P Q, Mueller T, Patel M V. "A Process for Preparing High-Purity N-Heptyl-6-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide" [P]. US Patent, US 9771782 B2, 2021-10-17.
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