C.I.21205;Vulcan Fast Red G;Polymo Scarlet GR;C.I. Pigment Red 37;3H-Pyrazol-3-one, 4,4-(3,3-dimethoxy1,1-biphenyl-4,4-diyl)bis(azo)bis2,4-dihydro-5-methyl-2-(4-methylphenyl)-;4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one];4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl) bis (azo)] bis[2,4-dihydro-5-methyl-2-(4-methyl3H-Pyrazol-3-one;4,4'-[(3,3'-Dimethoxy-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one];3H-Pyrazol-3-one, 4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[2,4-dihydro-5-methyl-2-(4-methylphenyl)-;4-[[2-methoxy-4-[3-methoxy-4-[[3-methyl-1-(4-methylphenyl)-5-oxo-4H-pyrazol-4-yl]diazenyl]phenyl]phenyl]diazenyl]-5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one
