InChI=1/C25H26N4O4/c1-28-11-4-7-20(28)21(29-12-10-17-5-2-3-6-18(17)15-29)14-26-24(30)25(31)27-19-8-9-22-23(13-19)33-16-32-22/h2-9,11,13,21H,10,12,14-16H2,1H3,(H,26,30)(H,27,31)/t21-/m0/s1/f/h26-27H C4B25F12582A8F7B