InChI=1/C12H18N4O4/c1-16(8(4-17)9(19)5-18)3-7-2-13-11-10(7)14-6-15-12(11)20/h2,6,8-9,13,17-19H,3-5H2,1H3,(H,14,15,20)/t8-,9-/m1/s1/f/h15H A0EBC4434D2ABECC