Atazanavir Impurity 25

Chemical Name: ((S)-1-(((2S,3S)-3-hydroxy-1-phenyl-4-(1-(4-(pyridin-2-yl)benzyl)-2-((E)-4-(pyridin-2-yl)benzylidene)hydrazinyl)butan-2-yl)amino)-3,3-dimethyl-1-oxobutan-2-yl)(methyl)carbamate

Synonym: rac-6-Methyl-4-phenyl-2-chromanol ; 3,4-Dihydro-6-methyl-4-phenyl-2H-1-benzopyran-2-ol ; 6-methyl-4-phenylchroman-2-ol;