Synonyms
disodium 4-(benzoylamino)-6-[[4-[(ethyl-1-naphthylamino)carbonyl]phenyl]azo]-5-hydroxynaphthalene-1,7-disulphonate;Acid Red 133;Acid mordant Red 21;MORDANT RED 21;Acid red 133 (C.I. 17995);1,7-Naphthalenedisulfonic acid, 4-(benzoylamino)-6-[[4-[( ethyl-