InChI=1S/C17H20O10/c1-3-4-7-5-8(13-15(12(7)23-2)25-6-24-13)26-17-11(20)9(18)10(19)14(27-17)16(21)22/h3,5,9-11,14,17-20H,1,4,6H2,2H3,(H,21,22)