Synonyms: (3E)-3-[(2Z)-(4-Oxo-1,3-thiazolidin-2-ylidene)hydrazono]-1,3-dihydro-2H-indol-2-one;(3Z)-3-[(2Z)-(4-Oxo-1,3-thiazolidin-2-ylidene)hydrazono]-1,3-dihydro-2H-indol-2-one;1H-indole-2,3-dione, 3-[2-[(2Z)-4-oxo-2-thiazolidinylidene]hydrazone], (3E)-;1H-indole-2,3-dione, 3-[2-[(2Z)-4-oxo-2-thiazolidinylidene]hydrazone], (3Z)-