InChI=1/C18H21N7/c1-12-13-7-4-5-8-14(13)18(25-22-12)21-10-6-2-3-9-16-15(11-19)17(20)24-23-16/h4-5,7-8H,2-3,6,9-10H2,1H3,(H,21,25)(H3,20,23,24)/p+1/fC18H22N7/h21,24-25H,20H2/q+1 19340E158C11F256