InChI=1S/C21H30O5S/c22-27(23,24)26-20-16-12-14-19(17-20)13-10-8-6-4-2-1-3-5-7-9-11-15-21-18-25-21/h3,5,9,11-12,14,16-17,21H,1-2,4,6-8,10,13,15,18H2,(H,22,23,24)/b5-3+,11-9+