InChI=1/C20H18O4S2/c1-3-25-18-13-17(14-7-5-4-6-8-14)19(20(21)24-18)15-9-11-16(12-10-15)26(2,22)23/h4-13H,3H2,1-2H3 FC11CD3F216AEABA