InChI=1S/C12H19N2O7P/c1-7-10(15)9(5-14-12(2,3)11(16)17)8(4-13-7)6-21-22(18,19)20/h4,14-15H,5-6H2,1-3H3,(H,16,17)(H2,18,19,20)