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发明人钱学锋,陈志强,郑宇鹏. "A Process for Preparing High-Purity 1-Amino-3-phenyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114215449 A, 授权公告日 2015-10-22.
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