InChI=1S/C14H20N3O8P/c1-9-13(18)11(10(6-16-9)8-25-26(21,22)23)7-17-12(14(19)20)2-4-24-5-3-15/h2,4,6,18H,3,5,7-8,15H2,1H3,(H,19,20)(H2,21,22,23)/b4-2+,17-12+