发明人何建平,刘建华,孙丽萍. "Method for the Synthesis of (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate" [P]. 中国发明专利, 专利号 CN 110592958 B, 授权公告日 2015-01-14.
发明人沈红梅,张德明,朱建伟. "A Process for Preparing High-Purity (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate" [P]. 中国发明专利, 专利号 CN 117853274 B, 授权公告日 2025-06-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 2166, (3), 7730-7743.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate as an Impurity". J. Chromatogr. A, 2022, 2316, (11), 1090-1113.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate Using HRMS and NMR". Molecules, 2011, 1736, (8), 10000-10019.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 1819, (3), 2666-2674.