发明人刘建华,孙丽萍,冯建国. "Method for the Synthesis of 5-Hydroxy-7-methyl-1H-indazole" [P]. 中国发明专利, 专利号 CN 113665331 B, 授权公告日 2019-01-10.
Johnson M A, Davis P L, Anderson J P. "A Process for Preparing High-Purity 5-Hydroxy-7-methyl-1H-indazole" [P]. US Patent, US 11830477 B2, 2023-09-10.
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