InChI=1S/C20H28O7S/c1-20-9-8-13-12(14(20)6-7-16(20)27-28(22,23)24)5-4-11-10-15(25-2)19(26-3)18(21)17(11)13/h10,12-14,16,21H,4-9H2,1-3H3,(H,22,23,24)/t12?,13?,14?,16?,20-/m0/s1