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