InChI=1S/C19H24O7S/c1-18-7-6-13-12-10-14(25-2)15(26-27(22,23)24)9-11(12)5-8-19(13,21)16(18)3-4-17(18)20/h9-10,13,16,21H,3-8H2,1-2H3,(H,22,23,24)/t13?,16?,18-,19?/m0/s1