发明人林芳,赵玉洁,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113513213 A, 授权公告日 2023-07-19.
发明人朱建伟,孙丽萍,周伟. "Method for the Synthesis of Ethyl 4-chloro-2-ethyl-5-hydroxy-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 116968603 B, 授权公告日 2020-05-05.
发明人高志强,韩伟,钱学锋. "A Process for Preparing High-Purity Ethyl 4-chloro-2-ethyl-5-hydroxy-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110174785 A, 授权公告日 2023-01-14.
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