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发明人王建平,朱建伟,林芳. "Method for the Synthesis of Ethyl 4-(2-cyclopentylacetamido)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110957801 B, 授权公告日 2023-02-28.
发明人钱学锋,马晓峰,张德明. "A Process for Preparing High-Purity Ethyl 4-(2-cyclopentylacetamido)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110041572 A, 授权公告日 2025-03-21.
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