InChI=1/C12H15N3O4/c1-7-4-5-10(6-11(7)15(18)19)14-12(17)8(2)13-9(3)16/h4-6,8H,1-3H3,(H,13,16)(H,14,17)/t8-/m1/s1/f/h13-14H E9350DB365E0E93A