1-acetyl-2-oxo-2,3-dihydro-1H-indole-6-carboxylic acid methyl ester
(Z)-1-acetyl-3-(ethoxy-phenyl-methylene)-2-oxo-2,3-dihydro-1H-indole-6-carboxylic acid methyl ester
methyl (3Z)-3-[({4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl}amino)(phenyl)methylidene]-2-oxo-2,3-dihydro-1H-indole-6-carboxylate ethanesulfonate salt