Björnsson E, Jørgensen K, Johansson L. "Method for the Synthesis of 5-Methyl-3-(4-methylphenyl)-1,2-oxazole-4-carboxylic acid" [P]. European Patent, EP 3691272 A1, 2024-12-16.
发明人张德明,钱学锋,韩伟. "A Process for Preparing High-Purity 5-Methyl-3-(4-methylphenyl)-1,2-oxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114333259 B, 授权公告日 2019-07-17.
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