InChI=1S/C11H17N2O8P/c12-10(16)6-2-1-3-13(4-6)11-9(15)8(14)7(21-11)5-20-22(17,18)19/h1,3-4,7-9,11,14-15H,2,5H2,(H2,12,16)(H2,17,18,19)/t7-,8-,9-,11-/m1/s1