InChI=1S/C22H21NO2S/c24-22(17-5-3-16(4-6-17)19-11-13-26-15-19)18-7-9-21(10-8-18)25-14-20-2-1-12-23-20/h3-11,13,15,20,23H,1-2,12,14H2/t20-/m1/s1