Showing structure for OC1=CC=C(C=C1)C1=C2C(=O)C3(O)OC4=C5C6C3C3=C2C(C=C1)=CC=C3OC6(O)C(=O)C1=C(C=CC(C=C4)=C51)C1=CC=C(O)C=C1