InChI=1/C12H13N3O4/c1-7-4-11(16)14(12(7)17)6-8-5-9(15(18)19)2-3-10(8)13/h2-3,5,7H,4,6,13H2,1H3/t7-/m0/s1 352C41CD24FF1BA3