InChI=1/C20H18N2O5/c1-2-25-18(23)12-22-20(24)15-6-4-3-5-14(15)19(21-22)13-7-8-16-17(11-13)27-10-9-26-16/h3-8,11H,2,9-10,12H2,1H3 E605222781250B76