英文别名2-[[2-chloro-4-[3-chloro-4-[[1-(4-methylanilino)-1,3-dioxobutan-2-yl]diazenyl]phenyl]phenyl]diazenyl]-N-(4-methylphenyl)-3-oxobutanamide; 2,2'-[(3,3'-Dichloro-4,4'-biphenyldiyl)di(E)-2,1-diazenediyl]bis[N-(4-methylphenyl)-3-oxobutanamide]; c.i. 21096; 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[n-(4-methylphenyl)-3-oxo-butanamide]; 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methylphenyl)-3-oxobutyramide]; Fast Yellow 2RN; C.I. Pigment Yellow 55 
