2-Naphthalenol, 1-(2-(4-(2-(4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-5-methoxy-2-methylphenyl)diazenyl)phenyl)diazenyl)-, heptyl derivs.;2-Naphthalenol, 1-((4-((4-((2-hydroxy-1-naphthalenyl)azo)-5-methoxy-2-methylphenyl)azo)phenyl)azo)-, heptyl derivs.
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