InChI=1/C20H17N3O5/c1-12(18(24)21-11-5-7-13-6-2-3-9-15(13)21)22-19(25)14-8-4-10-16(23(27)28)17(14)20(22)26/h2-4,6,8-10,12H,5,7,11H2,1H3/t12-/m1/s1 AA20EBB4DD6C64F2