InChI=1S/C20H30O6S/c1-14(11-12-17-15(2)10-7-13-20(17,4)5)8-6-9-16(3)18(19(21)22)26-27(23,24)25/h6,8-9,11-12,16,18H,7,10,13H2,1-5H3,(H,21,22)(H,23,24,25)/b9-6+,12-11+,14-8-