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发明人王建平,周伟,何建平. "A Process for Preparing High-Purity Ethyl (2E)-3-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-yl}-3-{[(2,4-dichlorophenyl)carbamoyl]amino}prop-2-enoate" [P]. 中国发明专利, 专利号 CN 109572946 A, 授权公告日 2025-09-08.
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