InChI=1S/C10H14N2O10P2/c1-6-4-12(10(14)11-9(6)13)8-3-2-7(21-8)5-20-24(18,19)22-23(15,16)17/h2-4,7-8H,5H2,1H3,(H,18,19)(H,11,13,14)(H2,15,16,17)/t7-,8+/m0/s1