InChI=1/C12H18N4O4/c1-6-13-3-8(19)11-12(15-6)16(5-14-11)10-2-7(18)9(4-17)20-10/h5,7-10,17-19H,2-4H2,1H3,(H,13,15)/p+1/t7-,8-,9-,10-/m1/s1/fC12H19N4O4/h13,15H/q+1 BB5F607A3BC07132