InChI=1/C19H28N4O3/c1-13-5-4-6-14(2)18(13)22-16(24)11-21-17(25)12-23-9-7-15(8-10-23)19(26)20-3/h4-6,15H,7-12H2,1-3H3,(H,20,26)(H,21,25)(H,22,24)/p+1/fC19H29N4O3/h20-23H/q+1 89A15EC64EE29B53