InChI=1/C19H16O7/c20-13-3-4-14(15(21)10-13)16(22)11-26-19(23)6-2-12-1-5-17-18(9-12)25-8-7-24-17/h1-6,9-10,20-21H,7-8,11H2/b6-2+	1E2F5DBF1316F6CA