InChI=1/C17H17N3O4S/c21-15-9-18-17(23)14(8-13-2-1-7-25-13)20(15)10-11-3-5-12(6-4-11)16(22)19-24/h1-7,14,24H,8-10H2,(H,18,23)(H,19,22)/t14-/m1/s1/f/h18-19H 5918E9A40AB5FB44