InChI=1S/C10H23N2O7P/c11-4-2-1-3-5-12-6-8(14)10(9(15)7-13)19-20(16,17)18/h9-10,12-13,15H,1-7,11H2,(H2,16,17,18)/t9-,10+/m1/s1