英文别名5,5'-DIBROMO-4,4'-DICHLOROINDIGO; 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one; 4,4'-Dichloro-5,5'-dibromo-Δ2,2'-biindoline-3,3'-dione; 5,5'-Dibromo-4,4'-dichloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione; 5-bromo-2-(5-bromo-4-chloro-3-oxo-1H-indol-2-ylidene)-4-chloro-1H-indol-3-one; 5,5'-Dibromo-4,4'-dichloro-[2,2'-biindolinylidene]-3,3'-dione; 5,5'-Dibrom-4,4'-dichlor-indigo; 4,4'-Dichloro-5,5'-dibromoindigo 
