InChI=1/C18H20N6O3/c1-9(14-4-10(7-21-14)8-22-15(25)6-19)16-12-5-11(23-18(20)27)2-3-13(12)24-17(16)26/h2-5,7,21H,6,8,19H2,1H3,(H,22,25)(H,24,26)(H3,20,23,27)/p+1/b16-9-/fC18H21N6O3/h19,22-24H,20H2/q+1 1580281CF8F19929