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