InChI=1/C23H22N4O5/c28-21(25-15-6-7-19-20(11-15)32-9-3-8-31-19)13-27-22(29)18(26-23(27)30)10-14-12-24-17-5-2-1-4-16(14)17/h1-2,4-7,11-12,18,24H,3,8-10,13H2,(H,25,28)(H,26,30)/t18-/m0/s1/f/h25-26H 3EC931D635BA0BEB