InChI=1S/C21H30O5S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-17-15-18-20(21(19)22)26-27(23,24)25/h2,4-5,7-8,15,17-18,22H,1,3,6,9-14,16H2,(H,23,24,25)/b5-4+,8-7+