Nintedanib esylate656247-18-6100 % similar Nintedanib656247-17-586 % similar Nintedanib928326-83-486 % similar Methyl (3E)-2,3-dihydro-3-(methoxyphenylmethylene)-2-oxo-1H-indole-6-carboxylate1168150-46-644 % similar N-(4-Aminophenyl)-N,4-dimethyl-1-piperazineacetamide262368-30-934 % similar