InChI=1S/C17H20O13/c18-8-9(19)11(13(22)23)30-15(10(8)20)29-7-3-1-6(2-4-7)5-17(28,16(26)27)12(21)14(24)25/h1-4,8-12,15,18-21,28H,5H2,(H,22,23)(H,24,25)(H,26,27)