Williams B T, Stevens L M, Mueller T. "一种的合成方法" [P]. US Patent, US 10441389 B2, 2024-12-24.
Hughes D C, Kumar R, Roberts E F. "Method for the Synthesis of L-Alanyl-L-alanyl-L-alanyl-L-alanyl-L-alanyl-L-alanyl-L-alaninamide" [P]. US Patent, US 9328008 B2, 2018-03-13.
Johansson L, Sørensen M, Rossi M. "A Process for Preparing High-Purity L-Alanyl-L-alanyl-L-alanyl-L-alanyl-L-alanyl-L-alanyl-L-alaninamide" [P]. European Patent, EP 3437504 A1, 2025-12-24.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 2303, 6955-6963.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 674, (10), 8212-8218.