Synonyms: 2-Indolinone (7CI,8CI), Oxindole (6CI), 1,3-Dihydroindol-2-one, 2-Indolone, 2-Oxindole, 2-Oxo-2,3-dihydroindole, 2-Oxoindole, 2-Oxoindoline, Indol-2(3H)-one, Indoline-2-one, NSC 274863, Oxindol,1,3-Dihydro-2H-indol-2-one, Diclofenac Sodium Imp. E (EP)