Sodium 3-((-ethyl(-4-((4-(ethyl(3-sulfonatobenzyl)amino)phenyl)(4-sulfonatophenyl)methylene)cyclohexa-2,5-dien-1-ylidene)ammonio)methyl)benzenesulfonate

2',7'-Difluoro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

2',7'-Dichloro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate

2-((4-(Ethyl(2-hydroxyethyl)amino)phenyl)diazenyl)-6-methoxy-3-methylbenzo[d]thiazol-3-ium methyl sulfate

Disodium 8-Amino-1,3,6-naphthalenetrisulfonate

Sodium 4-hydroxy-3-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate

5,9-Diaminobenzo[a]phenoxazin-7-ium acetate

N-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulfo-benzenemethanaminium inner salt, sodium salt (1:1)

Sodium 3-(((4-((4-((4-ethoxyphenyl)amino)phenyl)(4-(ethyl(3-sulfonatobenzyl)iminio)-2-methylcyclohexa-2,5-dien-1-ylidene)methyl)-3-methylphenyl)(ethyl)amino)methyl)benzenesulfonate

Sodium 2-bromo-4-(3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxido-3H-benzo[c][1,2]oxathiol-3-yl)-6-methylphenolate