InChI=1/C16H14N4O3S/c21-8-11-7-20-12-6-10(14(22)19-16-17-3-4-24-16)2-1-9(12)5-13(20)15(23)18-11/h1-6,11,21H,7-8H2,(H,18,23)(H,17,19,22)/t11-/m1/s1/f/h18-19H 4BAEF3BEDDC93C04