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发明人张德明,钱学锋,郭海燕. "Method for the Synthesis of (S)-tert-Butyl 2-(6-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-2-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111632153 A, 授权公告日 2022-08-12.
发明人冯建国,唐晓军,韩伟. "A Process for Preparing High-Purity (S)-tert-Butyl 2-(6-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-2-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109696000 A, 授权公告日 2021-03-11.
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