SMILES: CC1(CC(=O)C2=C(O1)C=C(C3=C2C=C(C=C3O)O)[O-])O
Description: The molecule is an organic anion that is the conjugate base of 3,6,7,9-tetrahydroxy-3-methyl-2,3-dihydro-1H-naphtho[2,1-b]pyran-1-one, arising from the deprotonation of the hydroxy group at position 6; major species at pH 7.3. It is an organic anion and a naphtho-gamma-pyrone. It is a conjugate base of a 3,6,7,9-tetrahydroxy-3-methyl-2,3-dihydro-1H-naphtho[2,1-b]pyran-1-one.