InChI=1/C18H20N4O2/c19-7-1-2-8-22-15-10-17-16(23-11-24-17)9-14(15)21-18(22)12-3-5-13(20)6-4-12/h3-6,9-10H,1-2,7-8,11,19-20H2/p+1/fC18H21N4O2/h19H/q+1 5B85B560809603FB