InChI=1S/C20H28O5S/c1-16(7-5-8-17(2)12-14-21)10-11-19-18(3)9-6-13-20(19,4)15-25-26(22,23)24/h5,7-8,10-12,14H,6,9,13,15H2,1-4H3,(H,22,23,24)/b8-5+,11-10+,16-7+,17-12+