InChI=1/C18H20N4O/c1-12(20-11-10-13-6-3-2-4-7-13)18-21-15-9-5-8-14(17(19)23)16(15)22-18/h2-9,12,20H,10-11H2,1H3,(H2,19,23)(H,21,22)/p+1/t12-/m0/s1/fC18H21N4O/h20,22H,19H2/q+1 8906A43FD65700F7