1233238-87-3

5-[(4-Ethyl-1,2,3,3a,4,8b-hexahydrocyclopent[b]indol-7-yl)methylene]-2-(3-ethyl-4-oxo-2-thioxo-5-thiazolidinylidene)-4-oxo-3-thiazolidineacetic Acid is used for diagnostic use in identification of novel indoline derivative for fluorescent imaging of blood-brai barrier.