InChI=1/C19H28N6O3/c20-17(26)12-24-8-5-15(6-9-24)23-19(28)22-11-14-1-3-16(4-2-14)25-10-7-21-18(27)13-25/h1-4,15H,5-13H2,(H2,20,26)(H,21,27)(H2,22,23,28)/f/h21-23H,20H2 246313EB300E656C