7-Amino-4-hydroxy-3-[[2-methoxy-4-[(3-sulfophenyl)azo]phenyl]azo]-2-naphthalenesulfonic acid, compd. with 2,2’,2’’-nitriloethanol(1:2);2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[[2-methoxy- 4-[(3-sulfophenyl)azo]phenyl]azo]-, compd. with 2,2’,2’’-nitrilotris[ethanol] (1:2)
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