3d image of indanthrene blue rs skeletal formula

indanthrene blue rs e130 indanthrone blue carbon paper carbanthrene 2r fenan rsn graphtol rl medium monolite fast 3r indanthrene indanthrone pigment 60 pigment paint colorant synthetic dye indicator stain precursor 2-aminoanthraquinone acrylic alkyd casein encaustic fresco gouache linseed oil tempera pastel watercolor painting unmordanted cotton enamel food food additive adjuvants ingredient agent number substance compound component 3d