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Kumar R, Johnson M A, Anderson J P. "Method for the Synthesis of Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. US Patent, US 10785984 B2, 2022-07-06.
发明人高志强,徐明华,何建平. "A Process for Preparing High-Purity Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 117145035 B, 授权公告日 2025-10-08.
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