Brown S R, Roberts E F, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11215107 B2, 2016-08-02.
发明人冯建国,徐明华,张德明. "Method for the Synthesis of 4-Bromo-1-(2-oxaspiro[3.3]Heptan-6-yl)-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 109199777 A, 授权公告日 2016-07-06.
发明人唐晓军,郑宇鹏,孙丽萍. "A Process for Preparing High-Purity 4-Bromo-1-(2-oxaspiro[3.3]Heptan-6-yl)-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 112342978 B, 授权公告日 2023-09-14.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 2427, 3185-3198.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 357, (12), 786-813.