InChI=1S/C17H33O7P/c1-2-3-4-5-6-7-8-9-10-11-12-13-17(19)24-16(14-18)15-23-25(20,21)22/h7-8,16,18H,2-6,9-15H2,1H3,(H2,20,21,22)/b8-7-