InChI=1S/C21H41O8P/c1-3-5-7-9-10-12-14-16-21(23)29-19(18-28-30(24,25)26)17-27-20(22)15-13-11-8-6-4-2/h19H,3-18H2,1-2H3,(H2,24,25,26)/t19-/m1/s1