| 6527-70-4 | Direct Blue 106 | C30H16Cl2N4Na2O8S2 |
| 6527-60-2 | Sulphon Black RA | C26H19 N5 O6 S2 . 2 Na |
| 6527-66-8 | 9,10-Anthracenedione, 1,4-bis[[3-chloro-2-(sulfooxy)propyl]amino]-, disodium salt | C20H20Cl2N2O10S2.2Na |
| 6527-68-0 | 1,3-bis(4-(4-aminobenzamido)-3-sulfophenyl)urea | C27H24 N6 O9 S2 . 2 Na |