InChI=1S/C16H20O11/c17-9-10(18)12(14(22)23)27-16(11(9)19)26-3-5-1-2-6-7(13(20)21)4-25-15(24)8(5)6/h1,4,6,8-12,15-19,24H,2-3H2,(H,20,21)(H,22,23)