InChI=1S/C19H26O7/c1-8-15(22)9(2)17(24)11(4)19(25)26-18(10(3)16(8)23)12-5-13(20)7-14(21)6-12/h5-11,16-18,20-21,23-24H,1-4H3/t8-,9+,10+,11+,16-,17+,18-/m0/s1