发明人林芳,高志强,朱建伟. "Method for the Synthesis of Ethyl 4-amino-1,3-dimethyl-1H-indazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117751750 A, 授权公告日 2019-03-12.
发明人郭海燕,钱学锋,何建平. "A Process for Preparing High-Purity Ethyl 4-amino-1,3-dimethyl-1H-indazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115673623 B, 授权公告日 2024-02-27.
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