75673-20-0 | 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[[4'- [(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy [1,1'-biphenyl]-4-yl]azo]-, trisodium salt | C34H27 N5 O13 S3 . 3 Na |
75673-34-6 | 1-Naphthalenesulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[4-hydroxy-, dilithium salt | C34H26 N4 O10 S2 . 2 Li |