Chromophore

HEGN Stage-3; Blue 198 Base; 3,10-bis((2-aminoethyl)amino)-6,13-dichlorobenzo[5,6][1,4]oxazino[2,3-b]phenoxazine-4,11-disulfonic acid

Blue P3R Base; Blue 49 Base; 1-amino-4-(3-amino-2,4,6-trimethyl-5-sulphoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid

Formazone Blue F-R; 4-Sulfo Copper Formazone; Reactive Blue 221 Base; 2-{[ (phenyl)methyl] diazenyl)-4-sulfobenzoato] copper

5-Sulfo Copper Formazone; Blue 160 Base