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