InChI=1S/C17H28O9/c1-2-3-4-5-6-7-8-9-10(15(21)22)25-17-13(20)11(18)12(19)14(26-17)16(23)24/h2,10-14,17-20H,1,3-9H2,(H,21,22)(H,23,24)