InChI=1S/C17H22O10/c18-9(4-5-11(19)20)6-8-2-1-3-10(7-8)26-17-14(23)12(21)13(22)15(27-17)16(24)25/h1-3,7,9,12-15,17-18,21-23H,4-6H2,(H,19,20)(H,24,25)