Anderson J P, Kumar R, Brown S R. "一种的合成方法" [P]. US Patent, US 11276135 B2, 2023-09-21.
Mueller T, Johnson M A, Brown S R. "Method for the Synthesis of 4-Methyl-1-thia-4,7-diazaspiro[4.5]decan-3-one" [P]. US Patent, US 11492606 B2, 2024-07-15.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 557, 673-703.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 2131, 1857-1884.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-1-thia-4,7-diazaspiro[4.5]decan-3-one Using HRMS and NMR". Anal. Methods, 2013, 1372, 9647-9654.