SMILES: C[C@@H]1[C@H](C2=C([C@H](O1)C)C(=O)C3=C(C=C(C(=C3C2=O)C4=C5[C@@H]([C@H](O[C@@H](C5=C(C6=C4C=C(C=C6O)O)[O-])C)C)O)O)O)O
Description: The molecule is a phenolate anion that is the conjugate base of protoaphin aglucone, obtained by deprotonation of the phenolic hydroxy group at position 7'; major species at pH 7.3. It is a conjugate base of a protoaphin aglucone.