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发明人孙丽萍,张德明,钱学锋. "A Process for Preparing High-Purity 1-N-[5-(trifluoromethyl)pyridin-2-yl]benzene-1,4-diamine dihydrochloride" [P]. 中国发明专利, 专利号 CN 114454399 B, 授权公告日 2024-02-21.
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