(3Z)-3-[[[4-(2-dimethylaminoethyl-methylsulfonylamino)phenyl]amino]-phenylmethylidene]-N-ethyl-2-oxo-1H-indole-6-carboxamide
(3Z)-3-[[[4-(2-dimethylaminoethyl-methylsulfonyl-amino)phenyl]amino]-phenyl-methylene]-N-ethyl-2-oxo-indoline-6-carboxamide
(3Z)-3-[[[4-(2-dimethylaminoethyl-methylsulfonylamino)phenyl]amino]-phenylmethylene]-N-ethyl-2-oxo-6-indolinecarboxamide
(3Z)-3-[[[4-(2-dimethylaminoethyl-mesyl-amino)phenyl]amino]-phenyl-methylene]-N-ethyl-2-keto-indoline-6-carboxamide
(3Z)-3-[[[4-(2-dimethylaminoethyl-methylsulfonyl-amino)phenyl]amino]-phenyl-methylidene]-N-ethyl-2-oxo-1H-indole-6-carboxamide