InChI=1S/C21H32O6S/c1-12(22)21-18(26-21)11-17-15-5-4-13-10-14(27-28(23,24)25)6-8-19(13,2)16(15)7-9-20(17,21)3/h13-18H,4-11H2,1-3H3,(H,23,24,25)