InChI=1/C20H21N3O3S/c24-15-11-14(19(26)21-12-7-3-1-4-8-12)18-16(17(15)25)23-20(27-18)22-13-9-5-2-6-10-13/h1-10,14-18,24-25H,11H2,(H,21,26)(H,22,23)/t14-,15+,16-,17-,18+/m0/s1/f/h21,23H B3B3957DB8211C4A