Nintedanib BIBF 1202 (Z)-methyl 3-(hydroxy(phenyl)methylene)-2-oxoindoline-6-carboxylate (Z)-methyl 3-(((4-(methylamino)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate Nintedanib Impurity E (Intedanib Impurity E)

Nintedanib Impurity G (Intedanib Impurity G) Methyl ethanesulfonate Ethanesulfonic acid ethyl ester Nintedanib Impurity A (Intedanib Impurity A ） 4'-Amino-N-methylacetanilide

N-(4-aMinophenyl)-2-chloro-N-MethylacetaMide Nintedanib Impurity 26 (3E)-1-Acetyl-3-(ethoxyphenylmethylene)-2,3-dihydro-2-oxo-1H-indole-6-carboxylic Acid Methyl Ester Nintedanib Impurity 1 (Intedanib Impurity 1) Nintedanib Impurity 15

Intedanib Impurity Nintedanib Impurity 19 Nintedanib Impurity D (Intedanib Impurity D)