InChI=1S/C12H19N2O8P/c1-6-11(16)9(4-14-10(7(2)15)12(17)18)8(3-13-6)5-22-23(19,20)21/h3,7,10,14-16H,4-5H2,1-2H3,(H,17,18)(H2,19,20,21)