InChI=1/C19H20N6O/c1-25(2)11-8-6-10(7-9-11)14-15-12(4-3-5-13(15)26)22-18-16(14)17(20)23-19(21)24-18/h6-9H,3-5H2,1-2H3,(H4,20,21,22,23,24)/f/h20-21H2 A727D65ED97CF1EE