InChI=1S/C19H21N3O3S/c1-2-13(15-5-8-18-16(11-15)9-10-21-18)12-22-19(23)14-3-6-17(7-4-14)26(20,24)25/h3-11,13,21H,2,12H2,1H3,(H,22,23)(H2,20,24,25)/t13-/m1/s1