发明人何建平,马晓峰,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109748554 A, 授权公告日 2015-02-18.
发明人刘建华,王建平,孙丽萍. "Method for the Synthesis of 3,4,7-Trichloro-5-methoxy-1H-indazole" [P]. 中国发明专利, 专利号 CN 113917527 A, 授权公告日 2016-03-06.
发明人朱建伟,李文辉,胡光. "A Process for Preparing High-Purity 3,4,7-Trichloro-5-methoxy-1H-indazole" [P]. 中国发明专利, 专利号 CN 112817993 B, 授权公告日 2018-06-01.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2014, 1961, 8663-8686.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 523, 8943-8954.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3,4,7-Trichloro-5-methoxy-1H-indazole Using HRMS and NMR". Talanta, 2010, 2274, (5), 345-351.