InChI=1S/C17H20O12/c1-25-12-6(2-3-8(18)19)4-7-13(27-5-26-7)15(12)29-17-11(22)9(20)10(21)14(28-17)16(23)24/h4,9-11,14,17,20-22H,2-3,5H2,1H3,(H,18,19)(H,23,24)