InChI=1S/C20H28O7S/c1-20-10-17(27-28(22,23)24)19-12(14(20)6-7-18(20)21)5-4-11-8-15(25-2)16(26-3)9-13(11)19/h8-9,12,14,17-19,21H,4-7,10H2,1-3H3,(H,22,23,24)/t12?,14?,17?,18?,19?,20-/m0/s1