InChI=1/C15H20N4O/c1-15(2,17-8-9-6-7-9)14-18-11-5-3-4-10(13(16)20)12(11)19-14/h3-5,9,17H,6-8H2,1-2H3,(H2,16,20)(H,18,19)/p+1/fC15H21N4O/h17-18H,16H2/q+1 FD4216DE0CF4C392