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Benzenesulfonic acid, 3,3'-[(3,3'-dichloro[1,1'- biphenyl]-4,4'-diyl)bis[azo(4,5-dihydro-3-methyl -5-oxo-1H-pyrazole-4,1-diyl)]]bis-, calcium salt (1:1) Structure

Benzenesulfonic acid, 3,3'-[(3,3'-dichloro[1,1'- biphenyl]-4,4'-diyl)bis[azo(4,5-dihydro-3-methyl -5-oxo-1H-pyrazole-4,1-diyl)]]bis-, calcium salt (1:1)