InChI=1S/C16H26O11/c17-8(5-3-1-2-4-6-9(18)19)7-10(20)26-16-13(23)11(21)12(22)14(27-16)15(24)25/h8,11-14,16-17,21-23H,1-7H2,(H,18,19)(H,24,25)