Carfilzomib Impurity 7 (RRSSS)

Chemical Name: (R,R)-Epoxy Leucine Carfilzomib ; (S)-4-methyl-N-((S)-1-(((R)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Smile: O=C([C@]1(CO1)C)[C@@H](CC(C)C)NC([C@@H](NC([C@H](CC(C)C)NC([C@@H](NC(CN2CCOCC2)=O)CCC3=CC=CC=C3)=O)=O)CC4=CC=CC=C4)=O