InChI=1/C20H18N2O5/c1-13(20(24)25)27-16-7-5-6-14(11-16)10-15(12-21)19(23)22-17-8-3-4-9-18(17)26-2/h3-11,13H,1-2H3,(H,22,23)(H,24,25)/p-1/b15-10-/t13-/m0/s1/fC20H17N2O5/h23H/q-1/b15-10-,22-19?	50E58B01ACF0BE6D