InChI=1/C19H28N4O3/c1-13(2)26-15-8-6-14(7-9-15)12-16-17(24)21-19(22-18(16)25)20-10-5-11-23(3)4/h6-9,13H,5,10-12H2,1-4H3,(H3,20,21,22,24,25)/f/h20-21,23H 32B7B07027A48CC2