发明人杨光,赵玉洁,王建平. "Method for the Synthesis of 3-(3-Ethoxy-2-methoxyphenyl)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 112412408 B, 授权公告日 2021-01-01.
发明人孙丽萍,何建平,郑宇鹏. "A Process for Preparing High-Purity 3-(3-Ethoxy-2-methoxyphenyl)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 111188096 B, 授权公告日 2025-11-23.
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