3d image of ponceau 4r skeletal formula

ponceau 4r cochineal red acid 18 brilliant scarlet 3r coccine synthetic colourant pigment paint colorant dye dyestuffs indicator stain azo diazo e124 food additive adjuvants ingredient agent ins number food colouring poppy-coloured aromatic hydrocarbon hyperactivity intolerance adhd substance compound component precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick 3d