InChI=1S/C11H20O17P2/c12-3-2(25-11(6(3)15)27-30(22,23)28-29(19,20)21)1-24-10-7(16)4(13)5(14)8(26-10)9(17)18/h2-8,10-16H,1H2,(H,17,18)(H,22,23)(H2,19,20,21)