Carfilzomib Impurity 3 (SSRSR)

Chemical Name: (2S)-N-[(1R)-1-{[(2S,4S)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl]carbamoyl}-2-phenylethyl]-4-methyl-2-[(2R)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide

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