Carfilzomib Impurity 70

Chemical Name: (S)-N-((S)-1-(((2R,4S)-1-((1H-benzo[d][1,2,3]triazol-1-yl)oxy)-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: 7,7'-((oxybis(butane-4,1-diyl))bis(oxy))bis(3,4-dihydroquinolin-2(1H)-one)