Mueller T, Yamamoto T, Schröder R. "一种的合成方法" [P]. US Patent, US 11814331 B2, 2024-10-09.
发明人赵玉洁,郭海燕,钱学锋. "Method for the Synthesis of 4-Amino-1-tert-butyl-3-(2-hydroxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 108831597 A, 授权公告日 2022-08-08.
Sørensen M, Nielsen H, Jørgensen K. "A Process for Preparing High-Purity 4-Amino-1-tert-butyl-3-(2-hydroxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. European Patent, EP 3937441 A1, 2021-03-16.
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