InChI=1/C19H25N7O/c1-14-15(16-6-2-3-7-17(16)21-14)8-9-20-19(27)13-26-18(22-23-24-26)12-25-10-4-5-11-25/h2-3,6-7,21H,4-5,8-13H2,1H3,(H,20,27)/p+1/fC19H26N7O/h20,25H/q+1 22BF2E3B5A7F592E