英文别名((R)-3-Hydroxy-2-methylpropanoyl)-L-proline; 1-[(2R)-3-Hydroxy-2-Methyl-1-oxopropyl]-L-proline; Captopril EP Impurity R; L-Proline, 1-[(2R)-3-hydroxy-2-methyl-1-oxopropyl]-; (S)-1-((R)-3-hydroxy-2-methylpropanoyl)pyrrolidine-2-carboxylic acid; Captopril Impurity 20; (2S)-1-[(2R)-3-hydroxy-2-methylpropanoyl]pyrrolidine-2-carboxylic acid 
