Stevens L M, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 10505995 B2, 2018-12-04.
Johnson M A, Yamamoto T, Roberts E F. "Method for the Synthesis of (Z)-2-(2-((6-Amino-9H-purin-9-yl)methyl)cyclobutylidene)ethanol" [P]. US Patent, US 10144724 B2, 2021-01-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 313, (10), 5180-5186.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 589, (5), 7146-7170.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-2-(2-((6-Amino-9H-purin-9-yl)methyl)cyclobutylidene)ethanol Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 135, 1860-1884.