InChI=1/C15H20N4O/c1-15(2,19-8-3-4-9-19)14-17-11-7-5-6-10(13(16)20)12(11)18-14/h5-7H,3-4,8-9H2,1-2H3,(H2,16,20)(H,17,18)/f/h17H,16H2 DEC526FA81305BDC