Nintedanib Impurity 15

Chemical Name: methyl (Z)-1-acetyl-3-(ethoxy(phenyl)methylene)-2-oxoindoline-6-carboxylate

Synonym: 1,1'-(2,4,5-trihydroxy-6-((4-hydroxy-3-((4-hydroxy-6-(hydroxymethyl)-3-(methylamino)-5-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-4-(hydroxymethyl)-5-methyltetrahydrofuran-2-yl)oxy)cyclohexane-1,3-diyl)diguanidine