[1,1'-Biphenyl]-3-sulfonicacid,4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-4-[2-[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]diazenyl]-,sodium salt (1:2)

weak acid yellow pr ; 4'-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1h-pyrazol-4-yl]azo]-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-3-sulfonic acid disodium salt ; [1,1'-biphenyl]-3-sulfonicacid,4'-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophen ; disodium 4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)-4-(5-hydroxy-3-methyl-1-(4-sulphonatophenyl)-1h-pyrazol-4-ylazo)-1,1-biphenyl-3-sulphonate ; acid orange 63 (c.i.) ; acid orange 63 (c.i. 22870) ; acid orange 63 ; c.i. acid orange 63 ; nylosan printing yellow pr. ; ci 22870