InChI=1S/C14H22O9/c1-2-3-4-7(5-6-8(15)16)22-14-11(19)9(17)10(18)12(23-14)13(20)21/h5-7,9-12,14,17-19H,2-4H2,1H3,(H,15,16)(H,20,21)/b6-5-