InChI=1/C20H20O8/c1-26-14-3-8(4-15(27-2)19(14)24)16-9-5-12(21)13(22)6-10(9)18(23)11-7-28-20(25)17(11)16/h3-6,11,16-18,21-24H,7H2,1-2H3/t11-,16+,17-,18-/m0/s1 E6310CB527F358CF