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Chromium, diazotized 2-amino-4,6-dinitrophenol-diazotized 6(or 7)-amino-4-hydroxy-2-naphthalenesulfonic acid-formaldehyde-resorcinol reaction product coupling products complexes Structure

Chromium, diazotized 2-amino-4,6-dinitrophenol-diazotized 6(or 7)-amino-4-hydroxy-2-naphthalenesulfonic acid-formaldehyde-resorcinol reaction product coupling products complexes