InChI=1/C12H14ClN3O4/c13-10-5-9(16(18)19)1-2-11(10)15-12(17)14-6-8-3-4-20-7-8/h1-2,5,8H,3-4,6-7H2,(H2,14,15,17)/t8-/m0/s1/f/h14-15H 5C21E0F52EFBA263