Synonyms: 2,7-Naphthalenedisulfonicacid,4-hydroxy-3-[(2-sulfophenyl)azo]-5-[(2,5,6-trichloro-4-pyrimidinyl)amino]-,trisodium salt (9CI); 2,7-Naphthalenedisulfonic acid,4-hydroxy-3-[(o-sulfophenyl)azo]-5-[(2,5,6-trichloro-4-pyrimidinyl)amino]-,trisodium salt (7CI); C.I. Reactive Red 17, trisodium salt (8CI); C.I. 18155;C.I. Reactive Red 17; Drimarene Red Z 2B; Reacton Red 2B; Reactone Red 2B;Reactone Red 2B-F