Williams B T, Hughes D C, Patel M V. "一种的合成方法" [P]. US Patent, US 10738182 B2, 2021-03-03.
发明人唐晓军,沈红梅,王建平. "Method for the Synthesis of 4-(tert-Butyldimethylsilanyloxy)-1-(2-cyanoethyl)-1H-indole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116275511 A, 授权公告日 2019-12-12.
发明人张德明,刘建华,胡光. "A Process for Preparing High-Purity 4-(tert-Butyldimethylsilanyloxy)-1-(2-cyanoethyl)-1H-indole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114642527 B, 授权公告日 2020-08-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 552, 8191-8208.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 817, 698-705.