InChI=1/C21H30N4O2/c1-15-6-7-17-16(12-15)13-18(22-17)20(27)25-9-5-8-24(10-11-25)14-19(26)23-21(2,3)4/h6-7,12-13,22H,5,8-11,14H2,1-4H3,(H,23,26)/p+1/fC21H31N4O2/h23-24H/q+1 B4F15B3653B706FE