Carfilzomib Impurity 76

Chemical Name: Methyl ((S)-2-amino-4-phenylbutanoyl)-L-leucyl-L-leucyl-L-phenylalaninate trifluoroacetate

Synonym: 8-Hydroxy-3,4-dihydro-2(1H)-quinolinone; 3,4-Dihydro-8-hydroxy-2(1H)-quinolinone; 8-Hydroxy-hydrocarbostyril; 3,4-Dihydro-8-hydroxy-1H-quinolin-2-one; 3,4-Dihydro-8-hydroxycarbostyril; 8-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone; 8-Hydroxy-3,4-dihydro-2(1H)-quinolinone; 8-Hydroxy-3,4-dihydrocarbostyril;