InChI=1/C26H22N2O3/c1-16-11-23-24(12-17(16)2)28(15-27-23)10-9-21-20-6-4-3-5-19(20)14-31-25-8-7-18(26(29)30)13-22(21)25/h3-9,11-13,15H,10,14H2,1-2H3,(H,29,30)/b21-9+/f/h27H 29BB1330B001914C