Nintedanib esylate Impurity F

Chemical Name: methyl (3Z)-3-{[(4-{2-[4-({[4-({[(3E)-6-(methoxycarbonyl)-2-oxo-2,3-dihydro-1H-indol-3-ylidene](phenyl)methyl}amino)phenyl](methyl)carbonyl}methyl)piperazin-1-yl]-N-methyl acetamido}phenyl) amino](phenyl)methylidene}-2-oxo-2,3-dihydro-1H-indole-6-carboxylate

Synonym:  Dimethyl 3,3'-(((((2,2'-(piperazine-1,4-diyl)bis(acetyl))bis(methylazanediyl))bis(4,1-phenylene))bis(azanediyl))bis(phenylmethanylylidene))(3Z,3'E)-bis(2-oxoindoline-6-carboxylate)