[1,1'-Biphenyl]-2,2'-disulfonicacid,4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-4'-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-,sodium salt (1:2)

4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo]-4'-[(2-hydroxy-1-naphtyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid disodium salt ; kayanol milling rrange g ; acid orange 56 (c.i. 22895) ; c.i. acid orange 56 ; 1,1-biphenyl-2,2-disulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo-4-(2-hydroxy-1-naphthalenyl)azo-, disodium salt ; c.i.22895 ; acid orange 56 ; 1'-biphenyl]-2,2'-disulfonic acid,4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo]-4'-[(2-hydroxy-1-naphthalenyl)azo]-[ disodium salt ; disodium 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo]-4'-[(2-hydroxy-1-naphthyl)azo][1,1'-biphenyl]-2,2'-disulphonate