Fischer A B, Lee S K, Brown S R. "Method for the Synthesis of 1-(2-Amino-2-cyclopropylethyl)-3-propylurea" [P]. US Patent, US 9352139 B2, 2023-10-26.
发明人张德明,韩伟,周伟. "A Process for Preparing High-Purity 1-(2-Amino-2-cyclopropylethyl)-3-propylurea" [P]. 中国发明专利, 专利号 CN 111280906 B, 授权公告日 2024-04-10.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 517, (9), 7831-7847.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 284, 5753-5771.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Amino-2-cyclopropylethyl)-3-propylurea Using HRMS and NMR". Anal. Methods, 2023, 974, (9), 8136-8164.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2023, 1099, (8), 9413-9441.