InChI=1/C21H24N4O3/c1-24(2)14-18(15-8-4-3-5-9-15)22-19(26)12-13-25-21(28)17-11-7-6-10-16(17)20(27)23-25/h3-11,18H,12-14H2,1-2H3,(H,22,26)(H,23,27)/t18-/m0/s1/f/h22,24H F31BBC6C6E35F51E