3d image of safranin skeletal formula

safranin safranin basic red biological stain extra tolusafranine pigment paint colorant synthetic dye dyestuffs indicator histology cytology staining counterstain cell nuclei gram stains endospore cartilage mucin mast cell dimethyl trimethyl redox analytical chemistry oxidative reductive substance matter component agent reagent functional group precursor synthesis reaction production molecule molecular formula skeletal structural structure geometry ball stick 3d