InChI=1/C18H20N4O2/c1-22(2)11-16(12-6-4-3-5-7-12)19-17(23)13-8-9-14-15(10-13)21-18(24)20-14/h3-10,16H,11H2,1-2H3,(H,19,23)(H2,20,21,24)/p+1/t16-/m0/s1/fC18H21N4O2/h19-22H/q+1 952C188AFE75AC23