135405-66-2 2,7-Naphthalenedisulfonic acid,5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
648898-98-0 1-Naphthalenesulfonyl chloride, 5-(acetylamino)-, sodium salt