(3Z)-N-ethyl-2-oxo-3-[phenyl-[[4-(piperidin-1-ylmethyl)phenyl]amino]methylidene]-1H-indole-6-carboxamide
(3Z)-N-ethyl-2-oxo-3-[phenyl-[[4-(1-piperidylmethyl)phenyl]amino]methylene]indoline-6-carboxamide
(3Z)-N-ethyl-2-oxo-3-[phenyl-[[4-(1-piperidylmethyl)phenyl]amino]methylene]-6-indolinecarboxamide
(3Z)-N-ethyl-2-keto-3-[phenyl-[[4-(piperidinomethyl)phenyl]amino]methylene]indoline-6-carboxamide