发明人罗永刚,胡光,徐明华. "Method for the Synthesis of 6-[N,N-Di(2-hydroxybenzyl)amino]-2-[(3-hydroxypropyl)amino]-9-isopropylpurine" [P]. 中国发明专利, 专利号 CN 115141048 A, 授权公告日 2016-03-12.
发明人沈红梅,刘建华,朱建伟. "A Process for Preparing High-Purity 6-[N,N-Di(2-hydroxybenzyl)amino]-2-[(3-hydroxypropyl)amino]-9-isopropylpurine" [P]. 中国发明专利, 专利号 CN 108102673 A, 授权公告日 2023-01-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2016, 494, 7570-7575.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1675, 2844-2870.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-[N,N-Di(2-hydroxybenzyl)amino]-2-[(3-hydroxypropyl)amino]-9-isopropylpurine Using HRMS and NMR". Phytochemistry, 2013, 764, 9578-9590.