Johnson M A, Lee S K, Roberts E F. "Method for the Synthesis of Methyl 2-ethoxy-7-methoxybenzo[d][1,3]dioxole-5-carboxylate" [P]. US Patent, US 9630315 B2, 2025-10-02.
发明人张德明,李文辉,郑宇鹏. "A Process for Preparing High-Purity Methyl 2-ethoxy-7-methoxybenzo[d][1,3]dioxole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109677403 B, 授权公告日 2019-08-22.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 1531, (1), 7619-7635.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 2364, (3), 3498-3504.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-ethoxy-7-methoxybenzo[d][1,3]dioxole-5-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2017, 682, (9), 9610-9613.