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 the aglycone of protaphin, a yellow hydroxylated quinoid pigment found in aphids. It is a member of biphenyls, a member of phenols, a benzoisochromanequinone and a member of p-quinones. It is a conjugate acid of a protoaphin aglucone(1-).