2-Naphthalenesulfonic acid, 4-hydroxy-7-(phenylamino)carbonylamino-3-4-(4-sulfophenyl)azophenylazo-, compd. with nitrilotris(2,1-ethanediyloxy)trispropanol (1:2);4-Hydroxy-7-[[(phenylamino)carbonylamino]- 3-[[4-[(4-sulfophenyl)azo] phenyl]azo]-2-naphthalenesulfonic acid compound with [nitrilotris(2,1-ethanediyloxy)tris[propanol] (1:2)
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