InChI=1S/C22H29N2O6P/c1-15(2)20(24-22(27)30-13-16-7-4-3-5-8-16)31(28,29)14-19(21(25)26)18-10-6-9-17(11-18)12-23/h3-11,15,19-20H,12-14,23H2,1-2H3,(H,24,27)(H,25,26)(H,28,29)/t19-,20+/m0/s1