Synonyms: Butanamide,2,2'-[(2,2'-dichloro-5,5'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxo-(9CI); Benzidine Yellow 10G; Benzidine Yellow Primrose 12226; C.I. 21220; C.I.Pigment Yellow 15; Isol Benzidine Yellow 10G; Pigment Yellow 15; Polymo YellowF5G; Polymo Yellow FR; Symuler Fast Yellow 10GF; Vulcan Fast Yellow 5G; VulcanYellow 5G