发明人刘建华,何建平,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111290278 A, 授权公告日 2020-10-23.
发明人周伟,杨光,钱学锋. "Method for the Synthesis of 6-(4-Isopropylpiperazin-1-yl)-4-methylnicotinonitrile" [P]. 中国发明专利, 专利号 CN 108834146 B, 授权公告日 2020-08-27.
发明人孙丽萍,林芳,钱学锋. "A Process for Preparing High-Purity 6-(4-Isopropylpiperazin-1-yl)-4-methylnicotinonitrile" [P]. 中国发明专利, 专利号 CN 109075059 B, 授权公告日 2020-02-13.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2017, 131, (6), 2644-2665.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 2391, (7), 8345-8374.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-(4-Isopropylpiperazin-1-yl)-4-methylnicotinonitrile Using HRMS and NMR". J. Sep. Sci., 2015, 1759, 7453-7468.