Carfilzomib Impurity 75

Chemical Name: (S)-2-(((S)-1-methoxy-1-oxo-3-phenylpropan-2-yl)carbamoyl)-4-methylpentanoate, 2,2,2-trifluoroacetic acid

Synonym: 2(1H)​-​Quinolinone, 7-​[4-​[4-​(2,​3-​dichlorophenyl)​-​1-​piperazinyl]​butoxy]​-​3,​4-​dihydro-​1-​[4-​[(1,​2,​3,​4-​tetrahydro-​2-​oxo-​7-​quinolinyl)​oxy]​butyl]​-; 7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-3,4-dihydro-1-[4-[(1,2,3,4-tetrahydro-2-oxo-7-quinolinyl)oxy]butyl]-2(1H)-quinolinone;

Smile: CC(C)C[C@@H](C(N[C@@H](CC1=CC=CC=C1)C(OC)=O)=O)C([O-])=O.O=C(O)C(F)(F)F