Chen K W, Schröder R, Park J H. "一种4-甲氧基-7-甲基-7H-吡咯并[2,3-d]嘧啶-6-羧酸的合成方法" [P]. US Patent, US 10983112 B2, 2023-01-18.
发明人冯建国,罗永刚,郭海燕. "Method for the Synthesis of 4-methoxy-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114146656 A, 授权公告日 2022-04-26.
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