InChI=1S/C18H22O6S/c19-12-2-4-13-11(9-12)1-3-15-14(13)7-8-18(10-24-25(21,22)23)16(15)5-6-17(18)20/h2,4,9,14-16,19H,1,3,5-8,10H2,(H,21,22,23)/t14?,15?,16?,18-/m1/s1