(3Z)-5-[(2,6-dichlorophenyl)methylsulfonyl]-3-[[3,5-dimethyl-4-[(2R)-2-(pyrrolidin-1-ylmethyl)pyrrolidine-1-carbonyl]-1H-pyrrol-2-yl]methylidene]-1H-indol-2-one (3Z)-5-[(2,6-dichlorophenyl)methylsulfonyl]-3-[[3,5-dimethyl-4-[(2R)-2-(pyrrolidin-1-ylmethyl)pyrrolidine-1-carbonyl]-1H-pyrrol-2-yl]methylene]indolin-2-one (3Z)-5-[(2,6-dichlorophenyl)methylsulfonyl]-3-[[3,5-dimethyl-4-[oxo-[(2R)-2-(1-pyrrolidinylmethyl)-1-pyrrolidinyl]methyl]-1H-pyrrol-2-yl]methylene]-2-indolinone (3Z)-5-(2,6-dichlorobenzyl)sulfonyl-3-[[3,5-dimethyl-4-[(2R)-2-(pyrrolidin-1-ylmethyl)pyrrolidine-1-carbonyl]-1H-pyrrol-2-yl]methylene]oxindole (3Z)-5-[(2,6-dichlorophenyl)methylsulfonyl]-3-[[3,5-dimethyl-4-[(2R)-2-(pyrrolidin-1-ylmethyl)pyrrolidin-1-yl]carbonyl-1H-pyrrol-2-yl]methylidene]-1H-indol-2-one PHA-665752