InChI=1S/C21H36O5S/c22-18-13-11-9-7-5-3-1-2-4-6-8-10-12-15-20-16-14-17-21(19-20)26-27(23,24)25/h14,16-17,19,22H,1-13,15,18H2,(H,23,24,25)