171909-65-2 4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(o-cresol) 4,4'-(3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo)bis(2-methylphenol) 49744-32-3 EINECS 256-459-4 Phenol, 4,4'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2-methyl-