SMILES: C1=C(C2=C(C(=C1O)O)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O)O
Description: The molecule is a hexahydroxyanthraquinone that is anthracene-9,10-dione in which the six hydroxy substituents are located at positions 1, 2, 4, 5, 6 and 8. Used as as a hematoxylin substitute in H&E staining. It has a role as a histological dye.