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发明人钱学锋,孙丽萍,王建平. "A Process for Preparing High-Purity 3-Chloro-4-[2-(1-piperidinyl)ethoxy]phenylaminedihydrochloride" [P]. 中国发明专利, 专利号 CN 112940779 B, 授权公告日 2016-09-06.
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