InChI=1/C20H27N3O3S/c1-15-17(13-16-9-5-3-6-10-16)23-20(22-15)27-14-18(24)21-12-8-4-7-11-19(25)26-2/h3,5-6,9-10H,4,7-8,11-14H2,1-2H3,(H,21,24)(H,22,23)/f/h21-22H B552CBF69382BA3E