InChI=1/C18H18N6/c1-9-5-13-14(6-10(9)2)23-17(22-13)8-16-21-12-4-3-11(18(19)20)7-15(12)24-16/h3-7H,8H2,1-2H3,(H3,19,20)(H,21,24)(H,22,23)/p+2/fC18H20N6/h21-23H,19-20H2/q+2 D6E4D2A60E721E1A