InChI=1S/C22H31N2O6PS/c1-16(2)21(24-32(29,30)12-11-17-7-4-3-5-8-17)31(27,28)15-20(22(25)26)19-10-6-9-18(13-19)14-23/h3-10,13,16,20-21,24H,11-12,14-15,23H2,1-2H3,(H,25,26)(H,27,28)/t20-,21+/m0/s1