InChI=1S/C19H21N3O3S/c1-14(13-22-11-10-15-4-2-3-5-18(15)22)12-21-19(23)16-6-8-17(9-7-16)26(20,24)25/h2-11,14H,12-13H2,1H3,(H,21,23)(H2,20,24,25)/t14-/m1/s1