InChI=1S/C28H55O7P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-28(30)34-25-27(29)26-35-36(31,32)33/h14-15,27,29H,2-13,16-26H2,1H3,(H2,31,32,33)/b15-14-