Synonyms: Diamira Red 3B; Duasyn Red 3B-SF; C.I. 16202;Reactive Red 23; Remazol Red 3B; Sumifix Red 3B; Reactive Red 23; Copper,3-hydroxy-4-[[2-hydroxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonicacid complex;2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[[2-hydroxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, coppercomplex;Reactive Red KN 5B;