12236-61-2 12236-63-4 15793-73-4 3H-Pyrazol-3-one, 4,4'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-(4-methylphenyl)- 4,4'-((3,3'-Dichloro(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'-Dichloro-4,4'-biphenylene)bis(azo))bis(1-(4-methylphenyl)-3-methyl-5-pyrazolone) C.I. 21115 C.I. Pigment Orange 34 EINECS 239-898-6 Irgalite orange F2G Roma Orange B 112700 Vynamon Orange RE-FW