InChI=1/C19H18N2O9/c1-13(19(23)28-11-17(30-21(26)27)12-29-20(24)25)15-8-5-9-16(10-15)18(22)14-6-3-2-4-7-14/h2-10,13,17H,11-12H2,1H3/t13-,17+/m1/s1 9851BEEDFEF1210C