InChI=1S/C18H35O7P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-18(20)25-17(15-19)16-24-26(21,22)23/h4-5,17,19H,2-3,6-16H2,1H3,(H2,21,22,23)/b5-4-