InChI=1S/C18H30O5S/c1-14(2)12-18(23-24(20,21)22)13-16(4)10-6-8-15(3)9-7-11-17(5)19/h9-10,12,18H,6-8,11,13H2,1-5H3,(H,20,21,22)/b15-9+,16-10-