InChI=1/C20H24N6O2/c1-13(2)26-17(11-23-18(26)12-28-4)16-9-10-22-20(25-16)24-15-7-5-14(6-8-15)19(27)21-3/h5-11,13H,12H2,1-4H3,(H,21,27)(H,22,24,25)/p+1/fC20H25N6O2/h21,23-24H/q+1 8F79F20F499F21C4