英文别名Nintedanib impurity 6; (3Z)-2,3-Dihydro-3-[[[4-[methyl(1-piperazinylacetyl)amino]phenyl]amino]phenylmethylene]-2-oxo-1H-indole-6-carboxylic acid methyl ester; Nintedanib impurity I; Nintedanib Esylate Impurity 14; Intedanib Impurity I; Nintedanib impurity 16/3-Z-[1-(4-(N-(piperazin-1-yl-methylcarbonyl)-N-methyl-amino)-anilino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone; 1H-Indole-6-carboxylic acid, 2,3-dihydro-3-[[[4-[methyl[2-(1-piperazinyl)acetyl]amino]phenyl]amino]phenylmethylene]-2-oxo-, methyl ester, (3Z)-