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发明人赵玉洁,钱学锋,杨光. "Method for the Synthesis of 3-(3-(1-Ethyl-1H-pyrazol-5-yl)acryloyl)-4-hydroxy-6-methyl-2H-pyran-2-one" [P]. 中国发明专利, 专利号 CN 111456530 A, 授权公告日 2016-10-27.
发明人张德明,杨光,朱建伟. "A Process for Preparing High-Purity 3-(3-(1-Ethyl-1H-pyrazol-5-yl)acryloyl)-4-hydroxy-6-methyl-2H-pyran-2-one" [P]. 中国发明专利, 专利号 CN 117174030 A, 授权公告日 2015-11-26.
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