2-Naphthalenecarboxylicacid, 4-[[4-[[4-[bis(2-hydroxyethyl)amino]phenyl]azo]phenyl]azo]-3-hydroxy-(9CI); 2-Naphthoic acid,4-[[p-[[p-[bis(2-hydroxyethyl)amino]phenyl]azo]phenyl]azo]-3-hydroxy- (8CI)
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