InChI=1S/C21H30O4S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-20-17-15-18-21(19-20)25-26(22,23)24/h2,4-5,7-8,15,17-19H,1,3,6,9-14,16H2,(H,22,23,24)/b5-4+,8-7+