InChI=1/C15H22N4O2/c16-9-11-4-3-5-12(8-11)18-15(21)19(10-14(17)20)13-6-1-2-7-13/h3-5,8,13H,1-2,6-7,9-10,16H2,(H2,17,20)(H,18,21)/p+1/fC15H23N4O2/h16,18H,17H2/q+1 6AB5216A48CA3B51