发明人王建平,唐晓军,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112341961 A, 授权公告日 2024-03-13.
发明人孙丽萍,王建平,郭海燕. "Method for the Synthesis of 2,8-dichloropyrimido[5,4-d][1,3]diazine" [P]. 中国发明专利, 专利号 CN 115382439 A, 授权公告日 2022-01-15.
发明人张德明,刘建华,周伟. "A Process for Preparing High-Purity 2,8-dichloropyrimido[5,4-d][1,3]diazine" [P]. 中国发明专利, 专利号 CN 114899944 B, 授权公告日 2020-10-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 1973, (9), 7850-7859.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 146, (8), 2883-2897.