InChI=1S/C11H20N2O9P2/c1-7(22-24(18,19)20)3-12-5-10-9(6-21-23(15,16)17)4-13-8(2)11(10)14/h4,7,12,14H,3,5-6H2,1-2H3,(H2,15,16,17)(H2,18,19,20)/t7-/m1/s1