InChI=1/C12H13N3O4/c1-6(7(2)16)8-3-10-9(4-11(8)15(18)19)12(17)14-5-13-10/h3-7,16H,1-2H3,(H,13,14,17)/t6-,7-/m1/s1/f/h14H 7757B107556A3615