InChI=1/C15H20N4O/c1-10-5-3-6-13(11(10)2)19-15(12(9-16)17-18-19)14-7-4-8-20-14/h3,5-6,14H,4,7-9,16H2,1-2H3/p+1/t14-/m0/s1/fC15H21N4O/h16H/q+1 9CBFD24515B5F1CD