InChI=1S/C11H16O8/c12-3-6-8(14)9(15)10(16)11(19-6)17-4-5-1-2-7(13)18-5/h1-2,5-6,8-12,14-16H,3-4H2/t5-,6+,8+,9-,10+,11+/m0/s1