InChI=1S/C17H22O10/c18-9-5-8(3-1-2-4-11(19)20)6-10(7-9)26-17-14(23)12(21)13(22)15(27-17)16(24)25/h5-7,12-15,17-18,21-23H,1-4H2,(H,19,20)(H,24,25)/t12-,13?,14?,15-,17+/m0/s1