90313-47-6

1,4-Benzenedisulfonic acid,2-[4,5-dihydro-5-oxo-3-phenyl-4-[[4,5,6,7-tetrahydro-2-(3-sulfopropyl)-1,2-benzisoxazol-3(2H)-ylidene]ethylidene]-1H-pyrazol-1-yl]-,tripotassium salt