InChI=1S/C20H28O8S/c1-10(2)12-9-11-5-6-13-19(3,4)14(28-29(25,26)27)7-8-20(13,18(23)24)15(11)17(22)16(12)21/h9-10,13-14,21-22H,5-8H2,1-4H3,(H,23,24)(H,25,26,27)/t13?,14?,20-/m1/s1