InChI=1S/C21H41O8P/c1-2-3-4-5-6-7-8-9-10-11-12-14-19(22)15-13-16-21(24)28-17-20(23)18-29-30(25,26)27/h20,23H,2-18H2,1H3,(H2,25,26,27)