InChI=1/C16H26N4O/c1-3-18-16(21)14-8-7-12(17)10-15(14)19-11-13-6-5-9-20(13)4-2/h7-8,10,13,19H,3-6,9,11,17H2,1-2H3,(H,18,21)/p+1/t13-/m1/s1/fC16H27N4O/h18,20H/q+1 67E6C15FA6639B25