发明人唐晓军,赵玉洁,郭海燕. "Method for the Synthesis of 3-Methyl-7-(2-methylallyl)-8-(phenylthio)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 117386156 B, 授权公告日 2025-07-14.
发明人马晓峰,罗永刚,高志强. "A Process for Preparing High-Purity 3-Methyl-7-(2-methylallyl)-8-(phenylthio)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 109449813 B, 授权公告日 2024-05-24.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 1941, (7), 6071-6093.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 2429, (1), 2377-2405.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-7-(2-methylallyl)-8-(phenylthio)-3,7-dihydro-1H-purine-2,6-dione Using HRMS and NMR". Anal. Chim. Acta, 2013, 964, (11), 4291-4295.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 253, (12), 897-917.