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发明人冯建国,韩伟,钱学锋. "Method for the Synthesis of Penbutolol-d9-HCl" [P]. 中国发明专利, 专利号 CN 111497262 A, 授权公告日 2023-11-19.
发明人罗永刚,郑宇鹏,胡光. "A Process for Preparing High-Purity Penbutolol-d9-HCl" [P]. 中国发明专利, 专利号 CN 115023149 A, 授权公告日 2021-10-14.
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