发明人周伟,钱学锋,林芳. "Method for the Synthesis of Methyl 5-hydroxy-2-methyl-4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 109063655 B, 授权公告日 2016-02-22.
发明人唐晓军,王建平,赵玉洁. "A Process for Preparing High-Purity Methyl 5-hydroxy-2-methyl-4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 113579686 B, 授权公告日 2021-09-10.
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