InChI=1S/C20H28O6S/c1-20-9-8-13-14(16(20)6-7-19(20)26-27(21,22)23)5-4-12-10-17(24-2)18(25-3)11-15(12)13/h10-11,13-14,16,19H,4-9H2,1-3H3,(H,21,22,23)/t13-,14+,16-,19?,20-/m0/s1