azorubine molecular structure 3d, flat model, food colorings e122, structural chemical formula view from a microscope

azorubine azo dye e122 food colorings molecule molecular structure chemical formula model c20h12n2na2o7s2 atom organic sodium salts naphthalenesulfonates 1naphthols enumber additives acid dyes science chemistry red material atomic health compound additive icon coloring carbon medical medicine oxygen composition drawing hydrogen skeletal color line nitrogen bond colour education bio chain flat structural view from microscope