Carfilzomib Impurity 27

Chemical Name: (2S)-N-((2S)-1-(((4R)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Smile: CC(C)C[C@H](NC([C@@H](NC(CN1CCOCC1)=O)CCC2=CC=CC=C2)=O)C(N[C@@H](CC3=CC=CC=C3)C(N[C@H](CC(C)C)C(C(C)(O)CO)=O)=O)=O