英文别名Carfilzomib Impurity W; Kyprolis Impurity W; PR-059428; (S)-N-((S)-1-(((2S,4S)-1-Chloro-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide; L-Phenylalaninamide, (αS)-α-[[2-(4-morpholinyl)acetyl]amino]benzenebutanoyl-L-leucyl-N-[(1S,3S)-4-chloro-3-hydroxy-3-methyl-1-(2-methylpropyl)-2-oxobutyl]-; (αS)-α-[[2-(4-Morpholinyl)acetyl]amino]benzenebutanoyl-L-leucyl-N-[(1S,3S)-4-chloro-3-hydroxy-3-methyl-1-(2-methylpropyl)-2-oxobutyl]-L-phenylalaninamide; (2S)-N-[(2S)-1-[[(4S)-1-chloro-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl]amino]-1-oxo-3-phenylpropan-2-yl]-4-methyl-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]-4-phenylbutanoyl]amino]pentanamide 
