| 6771-81-9 | tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] | C33H26 N8 O15 S4 . 4 Na |
| 6771-84-2 | 2,7-Naphthalenedisulfonicacid, 4,4'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxy-,tetrasodium salt (9CI) | C34H26 N4 O14 S4 . 4 Na |
| 6771-86-4 | Cobaltate(3-),bis[5-chloro-2-(hydroxy-kO)-3-[2-[2-(hydroxy-kO)-1-naphthalenyl]diazenyl-kN1]benzenesulfonato(3-)]-, sodium (1:3) | C32H16 Cl2 Co N4 O10 S2 . 3 Na |