2,7-Naphthalenedisulfonic acid, 4-amino-6-((4'-((2,4-diamino-5-sulfophenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-3-((4-nitrophenyl)azo)-, sodium salt, compd. with 2,2',2''-(nitrilotris(2,1-ethanediyloxy))tris(ethanol) 85283-98-3 EINECS 286-626-7