InChI=1S/C19H28O8/c1-9-10(8-11-18(2,3)6-5-7-19(11,4)27-9)25-17-14(22)12(20)13(21)15(26-17)16(23)24/h5,7-10,12-15,17,20-22H,6H2,1-4H3,(H,23,24)