InChI=1/C20H22N6O2/c1-3-15-18(19(21)24-20(22)23-15)14-9-10-16(17(11-14)26(27)28)25(2)12-13-7-5-4-6-8-13/h4-11H,3,12H2,1-2H3,(H4,21,22,23,24)/p+1/fC20H23N6O2/h23H,21-22H2/q+1 99187246414EED24