InChI=1/C20H28N6O/c1-12-9-13(2)19(15(4)27)14(3)16(12)11-25-5-7-26(8-6-25)18-10-17(21)23-20(22)24-18/h9-10H,5-8,11H2,1-4H3,(H4,21,22,23,24)/p+1/fC20H29N6O/h25H,21-22H2/q+1 33C8F57B509E258D