InChI=1S/C18H36O8S/c19-16(17(20)13-9-5-3-6-10-14-18(21)22)12-8-4-1-2-7-11-15-26-27(23,24)25/h16-17,19-20H,1-15H2,(H,21,22)(H,23,24,25)