Synonyms: Butanamide,2,2'-[(2,2',5,5'-tetrachloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2-methylphenyl)-3-oxo-(9CI); o-Acetoacetotoluidide,2,2''-[(2,2',5,5'-tetrachloro-4,4'-biphenylylene)bis(azo)]bis[4'-chloro- (8CI);o-Acetoacetotoluidide, 2,2'''-[(2,2',5,5'-tetrachloro-4,4'-biphenylylene)bis(azo)]bis[4'-chloro-(7CI); C.I. Pigment Yellow 113; Permanent Yellow H 10GL