SMILES: C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O
Description: The molecule is a trihydroxyanthraquinone derived from anthracene by substitution with oxo groups at C-9 and C-10 and with hydroxy groups at C-1, C-2 and C-4. It has a role as a biological pigment, a histological dye and a plant metabolite.