发明人黄志刚,林芳,胡光. "Method for the Synthesis of 5-Ethyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111862174 A, 授权公告日 2024-04-23.
Lee S K, Chen K W, Stevens L M. "A Process for Preparing High-Purity 5-Ethyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic acid" [P]. US Patent, US 9622611 B2, 2020-07-17.
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