发明人郭海燕,王建平,郑宇鹏. "Method for the Synthesis of Ethyl 2,4-Dihydroxy-6-methylnicotinate" [P]. 中国发明专利, 专利号 CN 108627369 B, 授权公告日 2023-05-16.
Schröder R, Jørgensen K, Björnsson E. "A Process for Preparing High-Purity Ethyl 2,4-Dihydroxy-6-methylnicotinate" [P]. European Patent, EP 3548707 A1, 2020-08-20.
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