InChI=1/C15H23N5O2/c1-3-8-19-12-11(13(21)20(9-4-2)15(19)22)17-14(18-12)16-10-6-5-7-10/h10H,3-9H2,1-2H3,(H2,16,17,18)/f/h16-17H 5DE7271FB01E769C