2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, compd. with 2-(diethylamino)ethanol (1:3) 94160-05-1 EINECS 303-286-8