SMILES: C1=CC=C2C(=C1)C(=O)C3=C(C=CC(=C3C2=O)O)O
Description: The molecule is a dihydroxyanthraquinone having the two hydroxy substituents at the 1- and 4-positions; formally derived from anthraquinone by replacement of two hydrogen atoms by hydroxy groups It has a role as a dye.