InChI=1/C19H26N6O2/c1-3-18(26)22-15-9-8-14(11-13(15)2)21-19(27)20-12-17-24-23-16-7-5-4-6-10-25(16)17/h8-9,11H,3-7,10,12H2,1-2H3,(H,22,26)(H2,20,21,27)/f/h20-22H 349D1991BD67489C