InChI=1S/C21H44NO9P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-20(24)29-15-18(23)16-30-32(27,28)31-17-19(22)21(25)26/h18-20,23-24H,2-17,22H2,1H3,(H,25,26)(H,27,28)/t18-,19+,20-/m1/s1