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发明人郑宇鹏,林芳,朱建伟. "A Process for Preparing High-Purity N-Butyl-2-chloro-N-(4-chlorobutyl)quinazolin-4-amine" [P]. 中国发明专利, 专利号 CN 116754335 A, 授权公告日 2021-08-21.
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