InChI=1/C21H28N6/c1-21(2)26-19(23)25-20(24)27(21)18-12-6-10-16(14-18)8-4-3-7-15-9-5-11-17(22)13-15/h5-6,9-14H,3-4,7-8,22H2,1-2H3,(H4,23,24,25,26)/f/h23-26H FDA5834279E863E1