InChI=1/C21H28N6O2/c1-4-6-28-16-8-15(9-17(10-16)29-7-5-2)24-11-14-12-25-20-18(13(14)3)19(22)26-21(23)27-20/h8-10,12,24H,4-7,11H2,1-3H3,(H4,22,23,25,26,27)/f/h22-23H2 638A35710C0A888E