3d image of haematoxylin skeletal formula

haematoxylin hematoxylin natural black hematoxyline hydroxybrazilin hydroxybrasilin haematoxylum campechianum logwood tree heartwood naturally derived dye histologic stain pigment paint colorant synthetic indicator textile leather industry histology cytology haematein rough endoplasmic reticulum ribosomes collagen myelin elastic fibers acid mucins mordant microscope tissues textile drawing ink writing iron gall substance compound component agent synthesis reaction molecule molecular formula skeletal 3d