Diphosphoric acid, iron sodium salt (1:?:?)

1H-Tetrazole-1-acetic acid, 2,5-dihydro-5-thioxo-, sodium salt (1:1)

Phosphonic acid, (dichloromethylene)bis-, sodium salt

Benzoic acid, 2,3-dichloro-, sodium salt (1:1)

Benzoic acid, 2-hydroxy-5-(2-phenyldiazenyl)-, sodium salt (1:1) Formula

Acetic acid, 2,2′-oxybis-, sodium salt (1:2) Formula

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

2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[2-(2-methoxyphenyl)diazenyl]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-[2-(6-sulfo-2-naphthalenyl)diazenyl]-, sodium salt (1:3) Structure

1,6-Naphthalenedisulfonic acid, 4-amino-3-[2-[4′-[2-(1-amino-4-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:3) Structure

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

What is 2,7-Naphthalenedisulfonic acid, 5-amino-3-[2-[4′-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-4-hydroxy-, sodium salt (1:3)