72480-58-1 Copper, C.I. Natural Yellow 11-diazotized 2-amino-1,4-benzenedisulfonic acid-diazotized 2-((4-aminophenyl)amino)-5-nitrobenzenesulfonic acid-diazotized 4-nitrobenzenamine coupling products complexes Copper, diazotized 2-amino-1,4-benzenedisulfonic acid-diazotized 2-((4-aminophenyl)amino)-5-nitrobenzenesulfonic acid-diazotized 4-nitrobenzeneamine-Dyer's mulberry extract coupling products complexes EINECS 276-687-8