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发明人钱学锋,罗永刚,胡光. "A Process for Preparing High-Purity 1-(2-methylpropane-2-sulfonyl)piperidin-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114560040 B, 授权公告日 2019-03-23.
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