InChI=1S/C16H24O11/c17-8(6-4-2-1-3-5-7-9(18)19)15(25)27-16-12(22)10(20)11(21)13(26-16)14(23)24/h1,3,8,10-13,16-17,20-22H,2,4-7H2,(H,18,19)(H,23,24)/b3-1-