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