InChI=1/C20H21N3O3S/c1-22-13-15-23(16-14-22)27(25,26)19-10-8-18(9-11-19)21-20(24)12-7-17-5-3-2-4-6-17/h2-6,8-11H,13-16H2,1H3,(H,21,24)/p+1/fC20H22N3O3S/h21-22H/q+1 19A099E728B7B1A6