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发明人张德明,杨光,钱学锋. "A Process for Preparing High-Purity ethyl 5-(2-hydroxyphenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113984715 A, 授权公告日 2015-02-16.
参考文献 Literature
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