2,2'-[(2,2',6'-Trichloro-4'-nitroazobenzene-4-yl)imino]bis(ethanol); C.I.11152; Ethanol, 2,2'-[[3-chloro-4-[2-(2,6-dichloro-4-nitrophenyl)diazenyl]phenyl]imino]bis-; 2,2'-[[3-Chloro-4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]amino]bisethanol; Tertranese Brown P-3R; Tulaspeck Brown 3R-PE; Vicoperse Brown 3RD