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发明人沈红梅,孙丽萍,张德明. "A Process for Preparing High-Purity 4-{[4-(Hydroxymethyl)-1-piperazinyl]methyl}benzoic acid" [P]. 中国发明专利, 专利号 CN 110120585 A, 授权公告日 2022-05-05.
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