发明人朱建伟,郭海燕,沈红梅. "Method for the Synthesis of 4,6-Difluoro-1,2-dihydro-3H-indazol-3-one" [P]. 中国发明专利, 专利号 CN 115209590 B, 授权公告日 2018-06-05.
发明人高志强,孙丽萍,冯建国. "A Process for Preparing High-Purity 4,6-Difluoro-1,2-dihydro-3H-indazol-3-one" [P]. 中国发明专利, 专利号 CN 113410938 A, 授权公告日 2022-03-22.
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