Synonyms: 4,11-Triphenodioxazinedisulfonic acid, 3-amino-6,13-dichloro-10-3-4-chloro-6-(2-sulfophenyl)amino-1,3,5-triazin-2-ylaminopropylamino-, trisodium salt;3-Amino-6,13-dichloro-10-[3-[4-chloro-6-(2-sulfo-phenylamino)-[1,3,5]triazin- 2-ylamino]-propylamino]-benzo[5,6][1,4]oxazino-[2,3-b]phenoxazine-4,11-disulfonic acid, trisodium salt;trisodium 3-amino-6,13-dichloro-10-((3-((4-chloro-6-(2-sulfophenylamino)-1,3,5-triazin-2-yl)amino)propyl) amino)-4,11-triphenoxydioxazinedisulfonate