发明人李文辉,何建平,黄志刚. "Method for the Synthesis of 1,1'-(5,5-Dihydroxydihydropyrimidine-1,3(2H,4H)-diyl)bis(propan-1-one)" [P]. 中国发明专利, 专利号 CN 117124781 B, 授权公告日 2020-10-08.
发明人钱学锋,高志强,张德明. "A Process for Preparing High-Purity 1,1'-(5,5-Dihydroxydihydropyrimidine-1,3(2H,4H)-diyl)bis(propan-1-one)" [P]. 中国发明专利, 专利号 CN 108050853 B, 授权公告日 2020-02-16.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 361, (11), 5452-5481.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 2466, (5), 1862-1878.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1,1'-(5,5-Dihydroxydihydropyrimidine-1,3(2H,4H)-diyl)bis(propan-1-one) Using HRMS and NMR". Food Chem., 2010, 1877, 7411-7414.