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发明人陈志强,张德明,钱学锋. "Method for the Synthesis of N-((1-(3-Cyanopyrazin-2-yl)piperidin-4-yl)methyl)-2-oxoimidazolidine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 113946603 A, 授权公告日 2025-01-13.
发明人何建平,冯建国,韩伟. "A Process for Preparing High-Purity N-((1-(3-Cyanopyrazin-2-yl)piperidin-4-yl)methyl)-2-oxoimidazolidine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 114385208 A, 授权公告日 2024-05-14.
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