Synonyms: 2,2',2''-[(bromomethanetriyl)tribenzene-4,1-diyl]tris(5,6-dichloro-1H-isoindole-1,3(2H)-dione);1H-isoindole-1,3(2H)-dione, 2,2',2''-[(bromomethylidyne)tri-4,1-phenylene]tris[5,6-dichloro-;4,4',4''-Tris(4,5-dichlorophthalimido)trityl Bromide [Protecting Reagent for Primary Alcohol];