InChI=1S/C19H26N6O2/c1-14-5-3-4-6-16(14)24-19(26)21-8-7-20-17-13-18(23-15(2)22-17)25-9-11-27-12-10-25/h3-6,13H,7-12H2,1-2H3,(H,20,22,23)(H2,21,24,26)