InChI=1S/C20H28O8S/c1-10(2)12-8-11-9-13(28-29(25,26)27)17-19(3,4)6-5-7-20(17,18(23)24)14(11)16(22)15(12)21/h8,10,13,17,21-22H,5-7,9H2,1-4H3,(H,23,24)(H,25,26,27)/t13?,17?,20-/m0/s1