InChI=1S/C20H28O8S/c1-11(2)13-9-12-5-6-14-19(3,10-28-29(25,26)27)7-4-8-20(14,18(23)24)15(12)17(22)16(13)21/h9,11,14,21-22H,4-8,10H2,1-3H3,(H,23,24)(H,25,26,27)/t14?,19?,20-/m1/s1