InChI=1/C20H18O3S/c1-12-3-4-13-9-10-20(22)18(16(13)11-12)17(19(21)23-20)14-5-7-15(24-2)8-6-14/h3-8,11,22H,9-10H2,1-2H3/t20-/m0/s1 97F577D7ACA74E44