InChI=1S/C10H15N3O8/c11-7-6(8(18)13-10(19)12-7)21-9-5(17)4(16)3(15)2(1-14)20-9/h2-5,9,14-17H,1H2,(H4,11,12,13,18,19)/t2-,3-,4+,5-,9+/m1/s1