InChI=1S/C18H24O7S/c1-17-6-4-13-12-3-2-11(25-26(22,23)24)8-10(12)9-15(19)16(13)14(17)5-7-18(17,20)21/h2-3,8,13-16,19-21H,4-7,9H2,1H3,(H,22,23,24)/t13?,14?,15?,16?,17-/m0/s1