Carfilzomib Impurity 52

Chemical Name: (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

Synonym: N-Deformyl-N-acetyl Formoterol

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