Patel M V, Brown S R, Yamamoto T. "Method for the Synthesis of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 2-allyl ester 4-ethyl ester" [P]. US Patent, US 9579390 B2, 2017-09-23.
发明人黄志刚,钱学锋,冯建国. "A Process for Preparing High-Purity 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 2-allyl ester 4-ethyl ester" [P]. 中国发明专利, 专利号 CN 110807442 B, 授权公告日 2020-05-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 2-allyl ester 4-ethyl ester in Pharmaceutical Formulations". Chemosphere, 2021, 189, (12), 9047-9058.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 2-allyl ester 4-ethyl ester as an Impurity". Anal. Chim. Acta, 2021, 1951, (7), 9110-9136.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 2-allyl ester 4-ethyl ester Using HRMS and NMR". Talanta, 2019, 861, 1139-1159.