InChI=1/C16H20N4O2/c1-2-12-8-15(21)20-16(19-12)11-5-6-14(17-9-11)18-13-4-3-7-22-10-13/h5-6,8-9,13H,2-4,7,10H2,1H3,(H,17,18)(H,19,20,21)/t13-/m0/s1/f/h18,20H	20199A70E1DD0BF2