6,13-二氯-3,10-二[(4-氯苯基)氨基]-2,9-三酚二嗪二磺酸二钠; Direct blue 190; C.I. Direct Blue 190; 6,13-Dichloro-3,10-bis[(4-chlorophenyl)amino]triphenodioxazine-2,9-disulfonic acid disodium salt; Diazol Light Pure Blue FFB; 2,9-Triphenodioxazinedisulfonic acid,6,13-dichloro-3,10-bis((4-chlorophenyl)amino)-,disodium salt; 2,9-Triphenodioxazinedisulfonic acid,6,13-dichloro-3,10-bis((4-chlorophenyl)amino)-,sodium salt (1:2)
