InChI=1/C20H28N4O2/c1-13-4-5-18-17(10-13)16(14(2)22-18)11-19(25)23-15-6-8-24(9-7-15)12-20(26)21-3/h4-5,10,15,22H,6-9,11-12H2,1-3H3,(H,21,26)(H,23,25)/p+1/fC20H29N4O2/h21,23-24H/q+1 B14DD4566E8D8B28