| 83984-87-6 | pentaammonium hydrogen 4-amino-3-[(2,5-disulphonatophenyl)azo]-5-hydroxy-6-[(3-phosphonatophenyl)azo]naphthalene-2,7-disulphonate | C22H18 N5 O16 P S4 . 5 H3 N |
| 83984-89-8 | tetrasodium 2-[[5-(aminocarbonyl)-1,6-dihydro-4-methyl-2-oxido-6-oxo-1-[2-(4-sulphonatophenyl)ethyl]-3-pyridyl]azo]-5-[(3-phosphonatophenyl)azo]benzenesulphonate | C27H25 N6 O12 P S2 . 4 Na |