Williams B T, Roberts E F, Brown S R. "Method for the Synthesis of 5-Methylpyrazolidin-3-one Hydrochloride" [P]. US Patent, US 11285152 B2, 2022-05-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 5-甲基吡唑烷-3-酮盐酸盐 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 2213, (8), 3704-3731.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-甲基吡唑烷-3-酮盐酸盐 as an Impurity". Anal. Chim. Acta, 2014, 2409, (6), 7168-7195.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methylpyrazolidin-3-one Hydrochloride Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 1371, (4), 5832-5859.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 5-甲基吡唑烷-3-酮盐酸盐 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 1962, 9661-9690.