88550-99-6

Benzoic acid,4-[4-[[4,5-dihydro-2-(3-sulfopropyl)naphth[2,1-d]isoxazol-3(2H)-ylidene]ethylidene]-1-(2,5-disulfophenyl)-4,5-dihydro-5-oxo-1H-pyrazol-3-yl]-,tripotassium salt