发明人刘建华,郭海燕,韩伟. "Method for the Synthesis of 3-Cyclopropoxy-4-isopropoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 111393947 B, 授权公告日 2020-05-11.
发明人杨光,郑宇鹏,孙丽萍. "A Process for Preparing High-Purity 3-Cyclopropoxy-4-isopropoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 117642405 B, 授权公告日 2018-07-17.
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