英文别名YU-101; PR-019; Carfilzomib Impurity 57; Kyprolis Impurity U; Carfilzomib Impurity U; L-Phenylalaninamide, (αS)-α-(acetylamino)benzenebutanoyl-L-leucyl-N-[(1S)-3-methyl-1-[[(2R)-2-methyl-2-oxiranyl]carbonyl]butyl]-; Caffezomib Impurity 57; (S)-2-((S)-2-Acetamido-4-phenylbutanamido)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pentanamide 
