Brown S R, Chen K W, Davis P L. "Method for the Synthesis of Ethyl 1-(4-hydroxybenzyl)cyclobutanecarboxylate" [P]. US Patent, US 9199041 B2, 2023-09-05.
发明人钱学锋,孙丽萍,郭海燕. "A Process for Preparing High-Purity Ethyl 1-(4-hydroxybenzyl)cyclobutanecarboxylate" [P]. 中国发明专利, 专利号 CN 115871170 B, 授权公告日 2016-04-19.
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. Sep. Sci., 2017, 1659, 109-134.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 2106, (6), 2004-2008.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(4-hydroxybenzyl)cyclobutanecarboxylate Using HRMS and NMR". J. Chromatogr. A, 2010, 473, (5), 6564-6588.