Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-isothiocyanato-, sodium salt, hydrate (1:2:?)

Benzenesulfonic acid, 3,3′-[(4,6-dihydroxy-1,3-phenylene)bis(2,1-diazenediyl)]bis-, sodium salt (1:2)

Benzenesulfonic acid, 3-[2-[3-[2-(3-amino-4-nitrophenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-4-methoxy-, sodium salt (1:1)

Benzenesulfonic acid, 2-[[4-[2-[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]diazenyl]phenyl]amino]-5-nitro-, sodium salt (1:1)

Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-(4-methoxyphenyl)diazenyl]-, sodium salt (1:2) Formula

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

Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:4) Formula

Benzenesulfonic acid, 3,3′-[(3,10-diamino-7,14-dihydro-7,14-diphenylquinoxalino[2,3-b]phenazine-2,9-diyl)diimino]bis-, sodium salt (1:2) Structure

Benzenesulfonic acid, 2,5-dichloro-4-[2-[2-(dibutylamino)-4-methyl-6-[[2-(4-sulfophenyl)ethyl]amino]-5-pyrimidinyl]diazenyl]-, sodium salt (1:?) Structure

What is Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]-1-oxidodiazenyl]-, sodium salt (1:4)

What is Benzenesulfonic acid, [[6′-[(2,4-dimethylphenyl)amino]-1,1-dioxidospiro[3H-2,1-benzoxathiole-3,9′-[9H]xanthen]-3′-yl]amino]dimethyl-, sodium salt (1:1)