C.I.21200

Dianisidine Red

C.I.Pigment Red 41

3h-pyrazol-3-one, 4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2

4,4'-Bis(4,5-dihydro-1-phenyl-3-methyl-5-oxo-1H-pyrazol-4-ylazo)-3,3'-dimethoxybiphenyl

4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]