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发明人朱建伟,韩伟,钱学锋. "A Process for Preparing High-Purity N-(3-chloro-2-methylphenyl)-4-hydrazinyl-4-oxobutanamide" [P]. 中国发明专利, 专利号 CN 110995615 B, 授权公告日 2021-08-07.
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