InChI=1S/C16H19N5O6/c22-5-9-11(23)12(24)13(25)16(27-9)21-7-20-15-10(21)14(18-6-19-15)17-4-8-2-1-3-26-8/h1-3,6-7,9,11-13,16,22-25H,4-5H2,(H,17,18,19)/t9-,11-,12+,13-,16-/m1/s1