InChI=1/C18H22N4O2/c1-22(2)12-15-7-4-3-6-14(15)11-20-18(24)21-16-9-5-8-13(10-16)17(19)23/h3-10H,11-12H2,1-2H3,(H2,19,23)(H2,20,21,24)/p+1/fC18H23N4O2/h20-22H,19H2/q+1 58AEA87B29AE3E1E